Home / 31,345,074.80-47,017,612.20-26,306,226.80

Finding the Fourth Proportional to 31,345,074.80, 47,017,612.20 and 26,306,226.80

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Solution

The fourth proportional to 31,345,074.80, 47,017,612.20 and 26,306,226.80 is: 39,459,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,345,074.80 : 47,017,612.20 = 26,306,226.80 : x
  2. Step 2: Convert to fraction form
    31,345,074.80/47,017,612.20 = 26,306,226.80/x
  3. Step 3: Cross multiply
    31,345,074.80x = 47,017,612.20 × 26,306,226.80
  4. Step 4: Simplify right side
    31,345,074.80x = 1,236,855,970,127,647
  5. Step 5: Solve for x
    x = 1,236,855,970,127,647/31,345,074.80
  6. Step 6: Final answer
    x = 39,459,340.20

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Similar ratio
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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.