Home / 40,321,857.60-60,444,079.20-13,381,646.40

Finding the Fourth Proportional to 40,321,857.60, 60,444,079.20 and 13,381,646.40

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Solution

The fourth proportional to 40,321,857.60, 60,444,079.20 and 13,381,646.40 is: 20,059,623.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,321,857.60 : 60,444,079.20 = 13,381,646.40 : x
  2. Step 2: Convert to fraction form
    40,321,857.60/60,444,079.20 = 13,381,646.40/x
  3. Step 3: Cross multiply
    40,321,857.60x = 60,444,079.20 × 13,381,646.40
  4. Step 4: Simplify right side
    40,321,857.60x = 808,841,294,827,995
  5. Step 5: Solve for x
    x = 808,841,294,827,995/40,321,857.60
  6. Step 6: Final answer
    x = 20,059,623.81

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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.