Home / 7,917,620.10-11,876,430.15-7,004,328.90

Finding the Fourth Proportional to 7,917,620.10, 11,876,430.15 and 7,004,328.90

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Solution

The fourth proportional to 7,917,620.10, 11,876,430.15 and 7,004,328.90 is: 10,506,493.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917,620.10 : 11,876,430.15 = 7,004,328.90 : x
  2. Step 2: Convert to fraction form
    7,917,620.10/11,876,430.15 = 7,004,328.90/x
  3. Step 3: Cross multiply
    7,917,620.10x = 11,876,430.15 × 7,004,328.90
  4. Step 4: Simplify right side
    7,917,620.10x = 83,186,422,928,476.34
  5. Step 5: Solve for x
    x = 83,186,422,928,476.34/7,917,620.10
  6. Step 6: Final answer
    x = 10,506,493.35

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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.