Home / 10,340,731.45-15,513,423.02-3,152,991.92

Finding the Fourth Proportional to 10,340,731.45, 15,513,423.02 and 3,152,991.92

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Solution

The fourth proportional to 10,340,731.45, 15,513,423.02 and 3,152,991.92 is: 4,730,197.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340,731.45 : 15,513,423.02 = 3,152,991.92 : x
  2. Step 2: Convert to fraction form
    10,340,731.45/15,513,423.02 = 3,152,991.92/x
  3. Step 3: Cross multiply
    10,340,731.45x = 15,513,423.02 × 3,152,991.92
  4. Step 4: Simplify right side
    10,340,731.45x = 48,913,697,417,837.04
  5. Step 5: Solve for x
    x = 48,913,697,417,837.04/10,340,731.45
  6. Step 6: Final answer
    x = 4,730,197.05

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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.