Home / 8,260,979.04-12,386,657.28-3,206,384.64

Finding the Fourth Proportional to 8,260,979.04, 12,386,657.28 and 3,206,384.64

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Solution

The fourth proportional to 8,260,979.04, 12,386,657.28 and 3,206,384.64 is: 4,807,709.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260,979.04 : 12,386,657.28 = 3,206,384.64 : x
  2. Step 2: Convert to fraction form
    8,260,979.04/12,386,657.28 = 3,206,384.64/x
  3. Step 3: Cross multiply
    8,260,979.04x = 12,386,657.28 × 3,206,384.64
  4. Step 4: Simplify right side
    8,260,979.04x = 39,716,387,643,536.18
  5. Step 5: Solve for x
    x = 39,716,387,643,536.18/8,260,979.04
  6. Step 6: Final answer
    x = 4,807,709.53

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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.