Home / 38,553,463.80-57,830,195.70-12,991,807.80

Finding the Fourth Proportional to 38,553,463.80, 57,830,195.70 and 12,991,807.80

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Solution

The fourth proportional to 38,553,463.80, 57,830,195.70 and 12,991,807.80 is: 19,487,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,553,463.80 : 57,830,195.70 = 12,991,807.80 : x
  2. Step 2: Convert to fraction form
    38,553,463.80/57,830,195.70 = 12,991,807.80/x
  3. Step 3: Cross multiply
    38,553,463.80x = 57,830,195.70 × 12,991,807.80
  4. Step 4: Simplify right side
    38,553,463.80x = 751,318,787,570,786.50
  5. Step 5: Solve for x
    x = 751,318,787,570,786.50/38,553,463.80
  6. Step 6: Final answer
    x = 19,487,711.70

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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.