Home / 15,457,069.60-21,334,634.04-8,934,487.90

Finding the Fourth Proportional to 15,457,069.60, 21,334,634.04 and 8,934,487.90

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Solution

The fourth proportional to 15,457,069.60, 21,334,634.04 and 8,934,487.90 is: 12,331,834.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,457,069.60 : 21,334,634.04 = 8,934,487.90 : x
  2. Step 2: Convert to fraction form
    15,457,069.60/21,334,634.04 = 8,934,487.90/x
  3. Step 3: Cross multiply
    15,457,069.60x = 21,334,634.04 × 8,934,487.90
  4. Step 4: Simplify right side
    15,457,069.60x = 190,614,029,681,308.12
  5. Step 5: Solve for x
    x = 190,614,029,681,308.12/15,457,069.60
  6. Step 6: Final answer
    x = 12,331,834.86

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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.