Home / 13,126,001.60-19,689,002.40-12,496,145.60

Finding the Fourth Proportional to 13,126,001.60, 19,689,002.40 and 12,496,145.60

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Solution

The fourth proportional to 13,126,001.60, 19,689,002.40 and 12,496,145.60 is: 18,744,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126,001.60 : 19,689,002.40 = 12,496,145.60 : x
  2. Step 2: Convert to fraction form
    13,126,001.60/19,689,002.40 = 12,496,145.60/x
  3. Step 3: Cross multiply
    13,126,001.60x = 19,689,002.40 × 12,496,145.60
  4. Step 4: Simplify right side
    13,126,001.60x = 246,036,640,709,149.41
  5. Step 5: Solve for x
    x = 246,036,640,709,149.41/13,126,001.60
  6. Step 6: Final answer
    x = 18,744,218.40

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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.