Home / 10,257,421.60-15,386,132.40-4,949,005.60

Finding the Fourth Proportional to 10,257,421.60, 15,386,132.40 and 4,949,005.60

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Solution

The fourth proportional to 10,257,421.60, 15,386,132.40 and 4,949,005.60 is: 7,423,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257,421.60 : 15,386,132.40 = 4,949,005.60 : x
  2. Step 2: Convert to fraction form
    10,257,421.60/15,386,132.40 = 4,949,005.60/x
  3. Step 3: Cross multiply
    10,257,421.60x = 15,386,132.40 × 4,949,005.60
  4. Step 4: Simplify right side
    10,257,421.60x = 76,146,055,409,941.44
  5. Step 5: Solve for x
    x = 76,146,055,409,941.44/10,257,421.60
  6. Step 6: Final answer
    x = 7,423,508.40

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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.