Home / 40,480,784.81-60,721,129.62-13,187,032.91

Finding the Fourth Proportional to 40,480,784.81, 60,721,129.62 and 13,187,032.91

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Solution

The fourth proportional to 40,480,784.81, 60,721,129.62 and 13,187,032.91 is: 19,780,533.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,480,784.81 : 60,721,129.62 = 13,187,032.91 : x
  2. Step 2: Convert to fraction form
    40,480,784.81/60,721,129.62 = 13,187,032.91/x
  3. Step 3: Cross multiply
    40,480,784.81x = 60,721,129.62 × 13,187,032.91
  4. Step 4: Simplify right side
    40,480,784.81x = 800,731,534,327,710.12
  5. Step 5: Solve for x
    x = 800,731,534,327,710.12/40,480,784.81
  6. Step 6: Final answer
    x = 19,780,533.86

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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.