Home / 40,321,875.60-60,444,106.20-13,381,664.40

Finding the Fourth Proportional to 40,321,875.60, 60,444,106.20 and 13,381,664.40

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Solution

The fourth proportional to 40,321,875.60, 60,444,106.20 and 13,381,664.40 is: 20,059,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,321,875.60 : 60,444,106.20 = 13,381,664.40 : x
  2. Step 2: Convert to fraction form
    40,321,875.60/60,444,106.20 = 13,381,664.40/x
  3. Step 3: Cross multiply
    40,321,875.60x = 60,444,106.20 × 13,381,664.40
  4. Step 4: Simplify right side
    40,321,875.60x = 808,842,744,126,359.38
  5. Step 5: Solve for x
    x = 808,842,744,126,359.38/40,321,875.60
  6. Step 6: Final answer
    x = 20,059,650.80

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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.