Home / 8,064,304.80-12,096,457.20-7,448,445.60

Finding the Fourth Proportional to 8,064,304.80, 12,096,457.20 and 7,448,445.60

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Solution

The fourth proportional to 8,064,304.80, 12,096,457.20 and 7,448,445.60 is: 11,172,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064,304.80 : 12,096,457.20 = 7,448,445.60 : x
  2. Step 2: Convert to fraction form
    8,064,304.80/12,096,457.20 = 7,448,445.60/x
  3. Step 3: Cross multiply
    8,064,304.80x = 12,096,457.20 × 7,448,445.60
  4. Step 4: Simplify right side
    8,064,304.80x = 90,099,803,406,928.31
  5. Step 5: Solve for x
    x = 90,099,803,406,928.31/8,064,304.80
  6. Step 6: Final answer
    x = 11,172,668.40

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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.