Home / 38,703,931.34-58,042,064.01-12,791,436.80

Finding the Fourth Proportional to 38,703,931.34, 58,042,064.01 and 12,791,436.80

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Solution

The fourth proportional to 38,703,931.34, 58,042,064.01 and 12,791,436.80 is: 19,182,583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,703,931.34 : 58,042,064.01 = 12,791,436.80 : x
  2. Step 2: Convert to fraction form
    38,703,931.34/58,042,064.01 = 12,791,436.80/x
  3. Step 3: Cross multiply
    38,703,931.34x = 58,042,064.01 × 12,791,436.80
  4. Step 4: Simplify right side
    38,703,931.34x = 742,441,393,525,469.62
  5. Step 5: Solve for x
    x = 742,441,393,525,469.62/38,703,931.34
  6. Step 6: Final answer
    x = 19,182,583.47

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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.