Home / 15,309,364.60-22,964,046.90-5,211,985.60

Finding the Fourth Proportional to 15,309,364.60, 22,964,046.90 and 5,211,985.60

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Solution

The fourth proportional to 15,309,364.60, 22,964,046.90 and 5,211,985.60 is: 7,817,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,309,364.60 : 22,964,046.90 = 5,211,985.60 : x
  2. Step 2: Convert to fraction form
    15,309,364.60/22,964,046.90 = 5,211,985.60/x
  3. Step 3: Cross multiply
    15,309,364.60x = 22,964,046.90 × 5,211,985.60
  4. Step 4: Simplify right side
    15,309,364.60x = 119,688,281,760,524.62
  5. Step 5: Solve for x
    x = 119,688,281,760,524.62/15,309,364.60
  6. Step 6: Final answer
    x = 7,817,978.40

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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.