Home / 13,452,603.20-20,178,904.80-12,708,585.80

Finding the Fourth Proportional to 13,452,603.20, 20,178,904.80 and 12,708,585.80

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Solution

The fourth proportional to 13,452,603.20, 20,178,904.80 and 12,708,585.80 is: 19,062,878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452,603.20 : 20,178,904.80 = 12,708,585.80 : x
  2. Step 2: Convert to fraction form
    13,452,603.20/20,178,904.80 = 12,708,585.80/x
  3. Step 3: Cross multiply
    13,452,603.20x = 20,178,904.80 × 12,708,585.80
  4. Step 4: Simplify right side
    13,452,603.20x = 256,445,343,000,831.88
  5. Step 5: Solve for x
    x = 256,445,343,000,831.88/13,452,603.20
  6. Step 6: Final answer
    x = 19,062,878.70

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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.