Home / 10,787,025.60-16,159,543.20-6,514,502.40

Finding the Fourth Proportional to 10,787,025.60, 16,159,543.20 and 6,514,502.40

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Solution

The fourth proportional to 10,787,025.60, 16,159,543.20 and 6,514,502.40 is: 9,759,074.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787,025.60 : 16,159,543.20 = 6,514,502.40 : x
  2. Step 2: Convert to fraction form
    10,787,025.60/16,159,543.20 = 6,514,502.40/x
  3. Step 3: Cross multiply
    10,787,025.60x = 16,159,543.20 × 6,514,502.40
  4. Step 4: Simplify right side
    10,787,025.60x = 105,271,382,959,303.69
  5. Step 5: Solve for x
    x = 105,271,382,959,303.69/10,787,025.60
  6. Step 6: Final answer
    x = 9,759,074.18

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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.