Home / 13,853,572.70-20,780,715.45-6,565,322.30

Finding the Fourth Proportional to 13,853,572.70, 20,780,715.45 and 6,565,322.30

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Solution

The fourth proportional to 13,853,572.70, 20,780,715.45 and 6,565,322.30 is: 9,848,152.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853,572.70 : 20,780,715.45 = 6,565,322.30 : x
  2. Step 2: Convert to fraction form
    13,853,572.70/20,780,715.45 = 6,565,322.30/x
  3. Step 3: Cross multiply
    13,853,572.70x = 20,780,715.45 × 6,565,322.30
  4. Step 4: Simplify right side
    13,853,572.70x = 136,432,094,553,839.53
  5. Step 5: Solve for x
    x = 136,432,094,553,839.53/13,853,572.70
  6. Step 6: Final answer
    x = 9,848,152.35

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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.