Home / 7,448,566.40-11,171,812.80-2,400,387.20

Finding the Fourth Proportional to 7,448,566.40, 11,171,812.80 and 2,400,387.20

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Solution

The fourth proportional to 7,448,566.40, 11,171,812.80 and 2,400,387.20 is: 3,600,246.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448,566.40 : 11,171,812.80 = 2,400,387.20 : x
  2. Step 2: Convert to fraction form
    7,448,566.40/11,171,812.80 = 2,400,387.20/x
  3. Step 3: Cross multiply
    7,448,566.40x = 11,171,812.80 × 2,400,387.20
  4. Step 4: Simplify right side
    7,448,566.40x = 26,816,676,445,916.16
  5. Step 5: Solve for x
    x = 26,816,676,445,916.16/7,448,566.40
  6. Step 6: Final answer
    x = 3,600,246.68

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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.