Home / 15,185,319.40-22,779,977.10-5,607,425.80

Finding the Fourth Proportional to 15,185,319.40, 22,779,977.10 and 5,607,425.80

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Solution

The fourth proportional to 15,185,319.40, 22,779,977.10 and 5,607,425.80 is: 8,411,876.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,185,319.40 : 22,779,977.10 = 5,607,425.80 : x
  2. Step 2: Convert to fraction form
    15,185,319.40/22,779,977.10 = 5,607,425.80/x
  3. Step 3: Cross multiply
    15,185,319.40x = 22,779,977.10 × 5,607,425.80
  4. Step 4: Simplify right side
    15,185,319.40x = 127,737,031,313,949.19
  5. Step 5: Solve for x
    x = 127,737,031,313,949.19/15,185,319.40
  6. Step 6: Final answer
    x = 8,411,876.49

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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.