Home / 34,148,618.32-47,125,463.88-18,678,362.80

Finding the Fourth Proportional to 34,148,618.32, 47,125,463.88 and 18,678,362.80

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Solution

The fourth proportional to 34,148,618.32, 47,125,463.88 and 18,678,362.80 is: 25,776,343.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,148,618.32 : 47,125,463.88 = 18,678,362.80 : x
  2. Step 2: Convert to fraction form
    34,148,618.32/47,125,463.88 = 18,678,362.80/x
  3. Step 3: Cross multiply
    34,148,618.32x = 47,125,463.88 × 18,678,362.80
  4. Step 4: Simplify right side
    34,148,618.32x = 880,226,511,468,935.75
  5. Step 5: Solve for x
    x = 880,226,511,468,935.75/34,148,618.32
  6. Step 6: Final answer
    x = 25,776,343.37

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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.