Home / 13,769,731.20-20,656,565.10-4,672,248.60

Finding the Fourth Proportional to 13,769,731.20, 20,656,565.10 and 4,672,248.60

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Solution

The fourth proportional to 13,769,731.20, 20,656,565.10 and 4,672,248.60 is: 7,009,040.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769,731.20 : 20,656,565.10 = 4,672,248.60 : x
  2. Step 2: Convert to fraction form
    13,769,731.20/20,656,565.10 = 4,672,248.60/x
  3. Step 3: Cross multiply
    13,769,731.20x = 20,656,565.10 × 4,672,248.60
  4. Step 4: Simplify right side
    13,769,731.20x = 96,512,607,369,283.86
  5. Step 5: Solve for x
    x = 96,512,607,369,283.86/13,769,731.20
  6. Step 6: Final answer
    x = 7,009,040.77

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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.