Home / 7,891,551-11,803,129.92-4,645,354.10

Finding the Fourth Proportional to 7,891,551, 11,803,129.92 and 4,645,354.10

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Solution

The fourth proportional to 7,891,551, 11,803,129.92 and 4,645,354.10 is: 6,947,901.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,891,551 : 11,803,129.92 = 4,645,354.10 : x
  2. Step 2: Convert to fraction form
    7,891,551/11,803,129.92 = 4,645,354.10/x
  3. Step 3: Cross multiply
    7,891,551x = 11,803,129.92 × 4,645,354.10
  4. Step 4: Simplify right side
    7,891,551x = 54,829,717,907,689.02
  5. Step 5: Solve for x
    x = 54,829,717,907,689.02/7,891,551
  6. Step 6: Final answer
    x = 6,947,901.36

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Double scale
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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.