Home / 22,572,135.95-31,151,468.70-12,784,321.33

Finding the Fourth Proportional to 22,572,135.95, 31,151,468.70 and 12,784,321.33

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Solution

The fourth proportional to 22,572,135.95, 31,151,468.70 and 12,784,321.33 is: 17,643,451.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,572,135.95 : 31,151,468.70 = 12,784,321.33 : x
  2. Step 2: Convert to fraction form
    22,572,135.95/31,151,468.70 = 12,784,321.33/x
  3. Step 3: Cross multiply
    22,572,135.95x = 31,151,468.70 × 12,784,321.33
  4. Step 4: Simplify right side
    22,572,135.95x = 398,250,385,908,460.12
  5. Step 5: Solve for x
    x = 398,250,385,908,460.12/22,572,135.95
  6. Step 6: Final answer
    x = 17,643,451.50

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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.