Home / 28,145,872.81-42,246,110.17-13,583,041.22

Finding the Fourth Proportional to 28,145,872.81, 42,246,110.17 and 13,583,041.22

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Solution

The fourth proportional to 28,145,872.81, 42,246,110.17 and 13,583,041.22 is: 20,387,737.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,145,872.81 : 42,246,110.17 = 13,583,041.22 : x
  2. Step 2: Convert to fraction form
    28,145,872.81/42,246,110.17 = 13,583,041.22/x
  3. Step 3: Cross multiply
    28,145,872.81x = 42,246,110.17 × 13,583,041.22
  4. Step 4: Simplify right side
    28,145,872.81x = 573,830,655,632,326.25
  5. Step 5: Solve for x
    x = 573,830,655,632,326.25/28,145,872.81
  6. Step 6: Final answer
    x = 20,387,737.11

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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.