Home / 42,679,409.87-64,019,282.92-10,331,260.47

Finding the Fourth Proportional to 42,679,409.87, 64,019,282.92 and 10,331,260.47

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Solution

The fourth proportional to 42,679,409.87, 64,019,282.92 and 10,331,260.47 is: 15,496,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,679,409.87 : 64,019,282.92 = 10,331,260.47 : x
  2. Step 2: Convert to fraction form
    42,679,409.87/64,019,282.92 = 10,331,260.47/x
  3. Step 3: Cross multiply
    42,679,409.87x = 64,019,282.92 × 10,331,260.47
  4. Step 4: Simplify right side
    42,679,409.87x = 661,399,886,923,314
  5. Step 5: Solve for x
    x = 661,399,886,923,314/42,679,409.87
  6. Step 6: Final answer
    x = 15,496,931.40

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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.