Home / 38,460,445.20-57,690,667.80-11,534,101.20

Finding the Fourth Proportional to 38,460,445.20, 57,690,667.80 and 11,534,101.20

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Solution

The fourth proportional to 38,460,445.20, 57,690,667.80 and 11,534,101.20 is: 17,301,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,460,445.20 : 57,690,667.80 = 11,534,101.20 : x
  2. Step 2: Convert to fraction form
    38,460,445.20/57,690,667.80 = 11,534,101.20/x
  3. Step 3: Cross multiply
    38,460,445.20x = 57,690,667.80 × 11,534,101.20
  4. Step 4: Simplify right side
    38,460,445.20x = 665,410,000,700,781.25
  5. Step 5: Solve for x
    x = 665,410,000,700,781.25/38,460,445.20
  6. Step 6: Final answer
    x = 17,301,151.80

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1.5x scale

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.