Home / 18,686,585.60-28,020,547.20-8,577,785.60

Finding the Fourth Proportional to 18,686,585.60, 28,020,547.20 and 8,577,785.60

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Solution

The fourth proportional to 18,686,585.60, 28,020,547.20 and 8,577,785.60 is: 12,862,395.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686,585.60 : 28,020,547.20 = 8,577,785.60 : x
  2. Step 2: Convert to fraction form
    18,686,585.60/28,020,547.20 = 8,577,785.60/x
  3. Step 3: Cross multiply
    18,686,585.60x = 28,020,547.20 × 8,577,785.60
  4. Step 4: Simplify right side
    18,686,585.60x = 240,354,246,276,280.31
  5. Step 5: Solve for x
    x = 240,354,246,276,280.31/18,686,585.60
  6. Step 6: Final answer
    x = 12,862,395.06

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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.