Home / 42,679,412.52-64,019,286.90-10,331,263.14

Finding the Fourth Proportional to 42,679,412.52, 64,019,286.90 and 10,331,263.14

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Solution

The fourth proportional to 42,679,412.52, 64,019,286.90 and 10,331,263.14 is: 15,496,935.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,679,412.52 : 64,019,286.90 = 10,331,263.14 : x
  2. Step 2: Convert to fraction form
    42,679,412.52/64,019,286.90 = 10,331,263.14/x
  3. Step 3: Cross multiply
    42,679,412.52x = 64,019,286.90 × 10,331,263.14
  4. Step 4: Simplify right side
    42,679,412.52x = 661,400,098,999,054.88
  5. Step 5: Solve for x
    x = 661,400,098,999,054.88/42,679,412.52
  6. Step 6: Final answer
    x = 15,496,935.41

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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.