Home / 11,771,657.40-17,657,486.10-11,110,308.60

Finding the Fourth Proportional to 11,771,657.40, 17,657,486.10 and 11,110,308.60

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Solution

The fourth proportional to 11,771,657.40, 17,657,486.10 and 11,110,308.60 is: 16,665,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,771,657.40 : 17,657,486.10 = 11,110,308.60 : x
  2. Step 2: Convert to fraction form
    11,771,657.40/17,657,486.10 = 11,110,308.60/x
  3. Step 3: Cross multiply
    11,771,657.40x = 17,657,486.10 × 11,110,308.60
  4. Step 4: Simplify right side
    11,771,657.40x = 196,180,119,671,210.47
  5. Step 5: Solve for x
    x = 196,180,119,671,210.47/11,771,657.40
  6. Step 6: Final answer
    x = 16,665,462.90

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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.