Home / 15,205,007.94-20,983,433.04-8,329,488.18

Finding the Fourth Proportional to 15,205,007.94, 20,983,433.04 and 8,329,488.18

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Solution

The fourth proportional to 15,205,007.94, 20,983,433.04 and 8,329,488.18 is: 11,494,979.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,205,007.94 : 20,983,433.04 = 8,329,488.18 : x
  2. Step 2: Convert to fraction form
    15,205,007.94/20,983,433.04 = 8,329,488.18/x
  3. Step 3: Cross multiply
    15,205,007.94x = 20,983,433.04 × 8,329,488.18
  4. Step 4: Simplify right side
    15,205,007.94x = 174,781,257,482,501.47
  5. Step 5: Solve for x
    x = 174,781,257,482,501.47/15,205,007.94
  6. Step 6: Final answer
    x = 11,494,979.69

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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.