Home / 12,851,489.60-19,276,687.65-4,331,812.40

Finding the Fourth Proportional to 12,851,489.60, 19,276,687.65 and 4,331,812.40

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Solution

The fourth proportional to 12,851,489.60, 19,276,687.65 and 4,331,812.40 is: 6,497,534.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,851,489.60 : 19,276,687.65 = 4,331,812.40 : x
  2. Step 2: Convert to fraction form
    12,851,489.60/19,276,687.65 = 4,331,812.40/x
  3. Step 3: Cross multiply
    12,851,489.60x = 19,276,687.65 × 4,331,812.40
  4. Step 4: Simplify right side
    12,851,489.60x = 83,502,994,593,196.86
  5. Step 5: Solve for x
    x = 83,502,994,593,196.86/12,851,489.60
  6. Step 6: Final answer
    x = 6,497,534.31

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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.