Home / 13,891,902.32-20,829,774.90-5,256,669.44

Finding the Fourth Proportional to 13,891,902.32, 20,829,774.90 and 5,256,669.44

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Solution

The fourth proportional to 13,891,902.32, 20,829,774.90 and 5,256,669.44 is: 7,881,947.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891,902.32 : 20,829,774.90 = 5,256,669.44 : x
  2. Step 2: Convert to fraction form
    13,891,902.32/20,829,774.90 = 5,256,669.44/x
  3. Step 3: Cross multiply
    13,891,902.32x = 20,829,774.90 × 5,256,669.44
  4. Step 4: Simplify right side
    13,891,902.32x = 109,495,241,158,909.06
  5. Step 5: Solve for x
    x = 109,495,241,158,909.06/13,891,902.32
  6. Step 6: Final answer
    x = 7,881,947.24

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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.