Home / 12,229,246.80-18,343,870.20-5,038,390.80

Finding the Fourth Proportional to 12,229,246.80, 18,343,870.20 and 5,038,390.80

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Solution

The fourth proportional to 12,229,246.80, 18,343,870.20 and 5,038,390.80 is: 7,557,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229,246.80 : 18,343,870.20 = 5,038,390.80 : x
  2. Step 2: Convert to fraction form
    12,229,246.80/18,343,870.20 = 5,038,390.80/x
  3. Step 3: Cross multiply
    12,229,246.80x = 18,343,870.20 × 5,038,390.80
  4. Step 4: Simplify right side
    12,229,246.80x = 92,423,586,852,074.16
  5. Step 5: Solve for x
    x = 92,423,586,852,074.16/12,229,246.80
  6. Step 6: Final answer
    x = 7,557,586.20

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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.