Home / 15,780,845.16-23,650,341.59-8,104,179.92

Finding the Fourth Proportional to 15,780,845.16, 23,650,341.59 and 8,104,179.92

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Solution

The fourth proportional to 15,780,845.16, 23,650,341.59 and 8,104,179.92 is: 12,145,523.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,780,845.16 : 23,650,341.59 = 8,104,179.92 : x
  2. Step 2: Convert to fraction form
    15,780,845.16/23,650,341.59 = 8,104,179.92/x
  3. Step 3: Cross multiply
    15,780,845.16x = 23,650,341.59 × 8,104,179.92
  4. Step 4: Simplify right side
    15,780,845.16x = 191,666,623,316,827.62
  5. Step 5: Solve for x
    x = 191,666,623,316,827.62/15,780,845.16
  6. Step 6: Final answer
    x = 12,145,523.35

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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.