Home / 15,853,069.26-21,877,774.11-15,126,655.86

Finding the Fourth Proportional to 15,853,069.26, 21,877,774.11 and 15,126,655.86

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Solution

The fourth proportional to 15,853,069.26, 21,877,774.11 and 15,126,655.86 is: 20,875,298.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,853,069.26 : 21,877,774.11 = 15,126,655.86 : x
  2. Step 2: Convert to fraction form
    15,853,069.26/21,877,774.11 = 15,126,655.86/x
  3. Step 3: Cross multiply
    15,853,069.26x = 21,877,774.11 × 15,126,655.86
  4. Step 4: Simplify right side
    15,853,069.26x = 330,937,559,944,787.75
  5. Step 5: Solve for x
    x = 330,937,559,944,787.75/15,853,069.26
  6. Step 6: Final answer
    x = 20,875,298.94

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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.