Home / 8,697,315.47-12,002,439.40-4,777,434

Finding the Fourth Proportional to 8,697,315.47, 12,002,439.40 and 4,777,434

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Solution

The fourth proportional to 8,697,315.47, 12,002,439.40 and 4,777,434 is: 6,592,938.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697,315.47 : 12,002,439.40 = 4,777,434 : x
  2. Step 2: Convert to fraction form
    8,697,315.47/12,002,439.40 = 4,777,434/x
  3. Step 3: Cross multiply
    8,697,315.47x = 12,002,439.40 × 4,777,434
  4. Step 4: Simplify right side
    8,697,315.47x = 57,340,862,060,556.02
  5. Step 5: Solve for x
    x = 57,340,862,060,556.02/8,697,315.47
  6. Step 6: Final answer
    x = 6,592,938.05

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.