Home / 28,283,479.94-42,407,857.22-10,991,490.27

Finding the Fourth Proportional to 28,283,479.94, 42,407,857.22 and 10,991,490.27

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Solution

The fourth proportional to 28,283,479.94, 42,407,857.22 and 10,991,490.27 is: 16,480,487.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,283,479.94 : 42,407,857.22 = 10,991,490.27 : x
  2. Step 2: Convert to fraction form
    28,283,479.94/42,407,857.22 = 10,991,490.27/x
  3. Step 3: Cross multiply
    28,283,479.94x = 42,407,857.22 × 10,991,490.27
  4. Step 4: Simplify right side
    28,283,479.94x = 466,125,549,950,221.81
  5. Step 5: Solve for x
    x = 466,125,549,950,221.81/28,283,479.94
  6. Step 6: Final answer
    x = 16,480,487.94

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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.