Home / 8,124,171.32-12,113,624.80-7,900,966.10

Finding the Fourth Proportional to 8,124,171.32, 12,113,624.80 and 7,900,966.10

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Solution

The fourth proportional to 8,124,171.32, 12,113,624.80 and 7,900,966.10 is: 11,780,812.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124,171.32 : 12,113,624.80 = 7,900,966.10 : x
  2. Step 2: Convert to fraction form
    8,124,171.32/12,113,624.80 = 7,900,966.10/x
  3. Step 3: Cross multiply
    8,124,171.32x = 12,113,624.80 × 7,900,966.10
  4. Step 4: Simplify right side
    8,124,171.32x = 95,709,338,892,919.28
  5. Step 5: Solve for x
    x = 95,709,338,892,919.28/8,124,171.32
  6. Step 6: Final answer
    x = 11,780,812.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.