Home / 7,725,207.40-11,587,811.10-4,869,860.20

Finding the Fourth Proportional to 7,725,207.40, 11,587,811.10 and 4,869,860.20

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Solution

The fourth proportional to 7,725,207.40, 11,587,811.10 and 4,869,860.20 is: 7,304,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725,207.40 : 11,587,811.10 = 4,869,860.20 : x
  2. Step 2: Convert to fraction form
    7,725,207.40/11,587,811.10 = 4,869,860.20/x
  3. Step 3: Cross multiply
    7,725,207.40x = 11,587,811.10 × 4,869,860.20
  4. Step 4: Simplify right side
    7,725,207.40x = 56,431,020,081,008.22
  5. Step 5: Solve for x
    x = 56,431,020,081,008.22/7,725,207.40
  6. Step 6: Final answer
    x = 7,304,790.30

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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.