Home / 38,308,231.49-52,866,475.97-20,905,697.70

Finding the Fourth Proportional to 38,308,231.49, 52,866,475.97 and 20,905,697.70

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Solution

The fourth proportional to 38,308,231.49, 52,866,475.97 and 20,905,697.70 is: 28,850,472.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308,231.49 : 52,866,475.97 = 20,905,697.70 : x
  2. Step 2: Convert to fraction form
    38,308,231.49/52,866,475.97 = 20,905,697.70/x
  3. Step 3: Cross multiply
    38,308,231.49x = 52,866,475.97 × 20,905,697.70
  4. Step 4: Simplify right side
    38,308,231.49x = 1,105,210,564,988,605.88
  5. Step 5: Solve for x
    x = 1,105,210,564,988,605.88/38,308,231.49
  6. Step 6: Final answer
    x = 28,850,472.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.