Home / 8,119,875.78-12,182,532.74-2,655,222.63

Finding the Fourth Proportional to 8,119,875.78, 12,182,532.74 and 2,655,222.63

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Solution

The fourth proportional to 8,119,875.78, 12,182,532.74 and 2,655,222.63 is: 3,983,723.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119,875.78 : 12,182,532.74 = 2,655,222.63 : x
  2. Step 2: Convert to fraction form
    8,119,875.78/12,182,532.74 = 2,655,222.63/x
  3. Step 3: Cross multiply
    8,119,875.78x = 12,182,532.74 × 2,655,222.63
  4. Step 4: Simplify right side
    8,119,875.78x = 32,347,336,572,960.38
  5. Step 5: Solve for x
    x = 32,347,336,572,960.38/8,119,875.78
  6. Step 6: Final answer
    x = 3,983,723.08

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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.