Home / 15,185,211.40-22,779,815.10-5,607,317.80

Finding the Fourth Proportional to 15,185,211.40, 22,779,815.10 and 5,607,317.80

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Solution

The fourth proportional to 15,185,211.40, 22,779,815.10 and 5,607,317.80 is: 8,411,714.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,185,211.40 : 22,779,815.10 = 5,607,317.80 : x
  2. Step 2: Convert to fraction form
    15,185,211.40/22,779,815.10 = 5,607,317.80/x
  3. Step 3: Cross multiply
    15,185,211.40x = 22,779,815.10 × 5,607,317.80
  4. Step 4: Simplify right side
    15,185,211.40x = 127,733,662,690,938.78
  5. Step 5: Solve for x
    x = 127,733,662,690,938.78/15,185,211.40
  6. Step 6: Final answer
    x = 8,411,714.48

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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.