Home / 8,125,547.40-12,188,321.10-2,732,405.40

Finding the Fourth Proportional to 8,125,547.40, 12,188,321.10 and 2,732,405.40

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Solution

The fourth proportional to 8,125,547.40, 12,188,321.10 and 2,732,405.40 is: 4,098,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125,547.40 : 12,188,321.10 = 2,732,405.40 : x
  2. Step 2: Convert to fraction form
    8,125,547.40/12,188,321.10 = 2,732,405.40/x
  3. Step 3: Cross multiply
    8,125,547.40x = 12,188,321.10 × 2,732,405.40
  4. Step 4: Simplify right side
    8,125,547.40x = 33,303,434,390,573.94
  5. Step 5: Solve for x
    x = 33,303,434,390,573.94/8,125,547.40
  6. Step 6: Final answer
    x = 4,098,608.10

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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.