Home / 8,990,139.12-13,482,397.80-3,005,107.44

Finding the Fourth Proportional to 8,990,139.12, 13,482,397.80 and 3,005,107.44

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Solution

The fourth proportional to 8,990,139.12, 13,482,397.80 and 3,005,107.44 is: 4,506,721.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990,139.12 : 13,482,397.80 = 3,005,107.44 : x
  2. Step 2: Convert to fraction form
    8,990,139.12/13,482,397.80 = 3,005,107.44/x
  3. Step 3: Cross multiply
    8,990,139.12x = 13,482,397.80 × 3,005,107.44
  4. Step 4: Simplify right side
    8,990,139.12x = 40,516,053,937,819.63
  5. Step 5: Solve for x
    x = 40,516,053,937,819.63/8,990,139.12
  6. Step 6: Final answer
    x = 4,506,721.58

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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.