Home / 15,260,181.60-22,890,272.40-12,390,400.20

Finding the Fourth Proportional to 15,260,181.60, 22,890,272.40 and 12,390,400.20

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Solution

The fourth proportional to 15,260,181.60, 22,890,272.40 and 12,390,400.20 is: 18,585,600.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,260,181.60 : 22,890,272.40 = 12,390,400.20 : x
  2. Step 2: Convert to fraction form
    15,260,181.60/22,890,272.40 = 12,390,400.20/x
  3. Step 3: Cross multiply
    15,260,181.60x = 22,890,272.40 × 12,390,400.20
  4. Step 4: Simplify right side
    15,260,181.60x = 283,619,635,723,014.44
  5. Step 5: Solve for x
    x = 283,619,635,723,014.44/15,260,181.60
  6. Step 6: Final answer
    x = 18,585,600.30

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1.5x scale

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.