Home / 40,480,783.31-60,721,127.37-13,187,031.41

Finding the Fourth Proportional to 40,480,783.31, 60,721,127.37 and 13,187,031.41

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Solution

The fourth proportional to 40,480,783.31, 60,721,127.37 and 13,187,031.41 is: 19,780,531.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,480,783.31 : 60,721,127.37 = 13,187,031.41 : x
  2. Step 2: Convert to fraction form
    40,480,783.31/60,721,127.37 = 13,187,031.41/x
  3. Step 3: Cross multiply
    40,480,783.31x = 60,721,127.37 × 13,187,031.41
  4. Step 4: Simplify right side
    40,480,783.31x = 800,731,413,575,195
  5. Step 5: Solve for x
    x = 800,731,413,575,195/40,480,783.31
  6. Step 6: Final answer
    x = 19,780,531.61

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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.