Home / 40,321,877.10-60,444,108.45-13,381,665.90

Finding the Fourth Proportional to 40,321,877.10, 60,444,108.45 and 13,381,665.90

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Solution

The fourth proportional to 40,321,877.10, 60,444,108.45 and 13,381,665.90 is: 20,059,653.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,321,877.10 : 60,444,108.45 = 13,381,665.90 : x
  2. Step 2: Convert to fraction form
    40,321,877.10/60,444,108.45 = 13,381,665.90/x
  3. Step 3: Cross multiply
    40,321,877.10x = 60,444,108.45 × 13,381,665.90
  4. Step 4: Simplify right side
    40,321,877.10x = 808,842,864,901,266.88
  5. Step 5: Solve for x
    x = 808,842,864,901,266.88/40,321,877.10
  6. Step 6: Final answer
    x = 20,059,653.05

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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.