Home / 13,687,506.90-20,523,896.10-5,486,033.40

Finding the Fourth Proportional to 13,687,506.90, 20,523,896.10 and 5,486,033.40

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Solution

The fourth proportional to 13,687,506.90, 20,523,896.10 and 5,486,033.40 is: 8,226,098.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,687,506.90 : 20,523,896.10 = 5,486,033.40 : x
  2. Step 2: Convert to fraction form
    13,687,506.90/20,523,896.10 = 5,486,033.40/x
  3. Step 3: Cross multiply
    13,687,506.90x = 20,523,896.10 × 5,486,033.40
  4. Step 4: Simplify right side
    13,687,506.90x = 112,594,779,502,729.75
  5. Step 5: Solve for x
    x = 112,594,779,502,729.75/13,687,506.90
  6. Step 6: Final answer
    x = 8,226,098.47

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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.