Home / 15,585,421.40-23,378,132.10-5,486,730.20

Finding the Fourth Proportional to 15,585,421.40, 23,378,132.10 and 5,486,730.20

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Solution

The fourth proportional to 15,585,421.40, 23,378,132.10 and 5,486,730.20 is: 8,230,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,585,421.40 : 23,378,132.10 = 5,486,730.20 : x
  2. Step 2: Convert to fraction form
    15,585,421.40/23,378,132.10 = 5,486,730.20/x
  3. Step 3: Cross multiply
    15,585,421.40x = 23,378,132.10 × 5,486,730.20
  4. Step 4: Simplify right side
    15,585,421.40x = 128,269,503,412,659.44
  5. Step 5: Solve for x
    x = 128,269,503,412,659.44/15,585,421.40
  6. Step 6: Final answer
    x = 8,230,095.30

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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.