Home / 15,390,336.30-21,236,797.13-8,866,077.90

Finding the Fourth Proportional to 15,390,336.30, 21,236,797.13 and 8,866,077.90

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Solution

The fourth proportional to 15,390,336.30, 21,236,797.13 and 8,866,077.90 is: 12,234,111.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,390,336.30 : 21,236,797.13 = 8,866,077.90 : x
  2. Step 2: Convert to fraction form
    15,390,336.30/21,236,797.13 = 8,866,077.90/x
  3. Step 3: Cross multiply
    15,390,336.30x = 21,236,797.13 × 8,866,077.90
  4. Step 4: Simplify right side
    15,390,336.30x = 188,287,097,656,746.03
  5. Step 5: Solve for x
    x = 188,287,097,656,746.03/15,390,336.30
  6. Step 6: Final answer
    x = 12,234,111.98

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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.