Home / 6,897,987.53-9,518,767.08-4,143,037.91

Finding the Fourth Proportional to 6,897,987.53, 9,518,767.08 and 4,143,037.91

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Solution

The fourth proportional to 6,897,987.53, 9,518,767.08 and 4,143,037.91 is: 5,717,118.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897,987.53 : 9,518,767.08 = 4,143,037.91 : x
  2. Step 2: Convert to fraction form
    6,897,987.53/9,518,767.08 = 4,143,037.91/x
  3. Step 3: Cross multiply
    6,897,987.53x = 9,518,767.08 × 4,143,037.91
  4. Step 4: Simplify right side
    6,897,987.53x = 39,436,612,821,306.16
  5. Step 5: Solve for x
    x = 39,436,612,821,306.16/6,897,987.53
  6. Step 6: Final answer
    x = 5,717,118.61

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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.