Home / 6,386,654-8,815,063.20-4,211,590.16

Finding the Fourth Proportional to 6,386,654, 8,815,063.20 and 4,211,590.16

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Solution

The fourth proportional to 6,386,654, 8,815,063.20 and 4,211,590.16 is: 5,812,970.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386,654 : 8,815,063.20 = 4,211,590.16 : x
  2. Step 2: Convert to fraction form
    6,386,654/8,815,063.20 = 4,211,590.16/x
  3. Step 3: Cross multiply
    6,386,654x = 8,815,063.20 × 4,211,590.16
  4. Step 4: Simplify right side
    6,386,654x = 37,125,433,432,898.11
  5. Step 5: Solve for x
    x = 37,125,433,432,898.11/6,386,654
  6. Step 6: Final answer
    x = 5,812,970.83

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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.