Home / 20,614,095.60-30,921,143.40-18,722,972.40

Finding the Fourth Proportional to 20,614,095.60, 30,921,143.40 and 18,722,972.40

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Solution

The fourth proportional to 20,614,095.60, 30,921,143.40 and 18,722,972.40 is: 28,084,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,614,095.60 : 30,921,143.40 = 18,722,972.40 : x
  2. Step 2: Convert to fraction form
    20,614,095.60/30,921,143.40 = 18,722,972.40/x
  3. Step 3: Cross multiply
    20,614,095.60x = 30,921,143.40 × 18,722,972.40
  4. Step 4: Simplify right side
    20,614,095.60x = 578,935,714,454,642.12
  5. Step 5: Solve for x
    x = 578,935,714,454,642.12/20,614,095.60
  6. Step 6: Final answer
    x = 28,084,458.60

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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.