Home / 8,990,143.62-13,482,404.52-3,005,111.94

Finding the Fourth Proportional to 8,990,143.62, 13,482,404.52 and 3,005,111.94

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Solution

The fourth proportional to 8,990,143.62, 13,482,404.52 and 3,005,111.94 is: 4,506,728.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,990,143.62 : 13,482,404.52 = 3,005,111.94 : x
  2. Step 2: Convert to fraction form
    8,990,143.62/13,482,404.52 = 3,005,111.94/x
  3. Step 3: Cross multiply
    8,990,143.62x = 13,482,404.52 × 3,005,111.94
  4. Step 4: Simplify right side
    8,990,143.62x = 40,516,134,802,961.97
  5. Step 5: Solve for x
    x = 40,516,134,802,961.97/8,990,143.62
  6. Step 6: Final answer
    x = 4,506,728.31

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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.