Home / 8,316,200.10-12,474,300.15-5,124,929.70

Finding the Fourth Proportional to 8,316,200.10, 12,474,300.15 and 5,124,929.70

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Solution

The fourth proportional to 8,316,200.10, 12,474,300.15 and 5,124,929.70 is: 7,687,394.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316,200.10 : 12,474,300.15 = 5,124,929.70 : x
  2. Step 2: Convert to fraction form
    8,316,200.10/12,474,300.15 = 5,124,929.70/x
  3. Step 3: Cross multiply
    8,316,200.10x = 12,474,300.15 × 5,124,929.70
  4. Step 4: Simplify right side
    8,316,200.10x = 63,929,911,325,449.46
  5. Step 5: Solve for x
    x = 63,929,911,325,449.46/8,316,200.10
  6. Step 6: Final answer
    x = 7,687,394.55

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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.