Home / 15,569,702.85-21,486,104.50-8,600,860.16

Finding the Fourth Proportional to 15,569,702.85, 21,486,104.50 and 8,600,860.16

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Solution

The fourth proportional to 15,569,702.85, 21,486,104.50 and 8,600,860.16 is: 11,869,139.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,569,702.85 : 21,486,104.50 = 8,600,860.16 : x
  2. Step 2: Convert to fraction form
    15,569,702.85/21,486,104.50 = 8,600,860.16/x
  3. Step 3: Cross multiply
    15,569,702.85x = 21,486,104.50 × 8,600,860.16
  4. Step 4: Simplify right side
    15,569,702.85x = 184,798,980,155,422.12
  5. Step 5: Solve for x
    x = 184,798,980,155,422.12/15,569,702.85
  6. Step 6: Final answer
    x = 11,869,139.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.