Home / 11,658,906.10-17,488,359.15-10,430,686.90

Finding the Fourth Proportional to 11,658,906.10, 17,488,359.15 and 10,430,686.90

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Solution

The fourth proportional to 11,658,906.10, 17,488,359.15 and 10,430,686.90 is: 15,646,030.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,658,906.10 : 17,488,359.15 = 10,430,686.90 : x
  2. Step 2: Convert to fraction form
    11,658,906.10/17,488,359.15 = 10,430,686.90/x
  3. Step 3: Cross multiply
    11,658,906.10x = 17,488,359.15 × 10,430,686.90
  4. Step 4: Simplify right side
    11,658,906.10x = 182,415,598,688,400.12
  5. Step 5: Solve for x
    x = 182,415,598,688,400.12/11,658,906.10
  6. Step 6: Final answer
    x = 15,646,030.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.