Home / 7,122,176.64-9,828,590.40-3,859,079.76

Finding the Fourth Proportional to 7,122,176.64, 9,828,590.40 and 3,859,079.76

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Solution

The fourth proportional to 7,122,176.64, 9,828,590.40 and 3,859,079.76 is: 5,325,522.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122,176.64 : 9,828,590.40 = 3,859,079.76 : x
  2. Step 2: Convert to fraction form
    7,122,176.64/9,828,590.40 = 3,859,079.76/x
  3. Step 3: Cross multiply
    7,122,176.64x = 9,828,590.40 × 3,859,079.76
  4. Step 4: Simplify right side
    7,122,176.64x = 37,929,314,281,970.30
  5. Step 5: Solve for x
    x = 37,929,314,281,970.30/7,122,176.64
  6. Step 6: Final answer
    x = 5,325,522.83

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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.