Home / 13,572,001.20-20,358,001.80-12,083,966.40

Finding the Fourth Proportional to 13,572,001.20, 20,358,001.80 and 12,083,966.40

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Solution

The fourth proportional to 13,572,001.20, 20,358,001.80 and 12,083,966.40 is: 18,125,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572,001.20 : 20,358,001.80 = 12,083,966.40 : x
  2. Step 2: Convert to fraction form
    13,572,001.20/20,358,001.80 = 12,083,966.40/x
  3. Step 3: Cross multiply
    13,572,001.20x = 20,358,001.80 × 12,083,966.40
  4. Step 4: Simplify right side
    13,572,001.20x = 246,005,409,722,339.53
  5. Step 5: Solve for x
    x = 246,005,409,722,339.53/13,572,001.20
  6. Step 6: Final answer
    x = 18,125,949.60

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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.