Home / 8,316,868.80-12,479,968.80-3,523,742.40

Finding the Fourth Proportional to 8,316,868.80, 12,479,968.80 and 3,523,742.40

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Solution

The fourth proportional to 8,316,868.80, 12,479,968.80 and 3,523,742.40 is: 5,287,590.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316,868.80 : 12,479,968.80 = 3,523,742.40 : x
  2. Step 2: Convert to fraction form
    8,316,868.80/12,479,968.80 = 3,523,742.40/x
  3. Step 3: Cross multiply
    8,316,868.80x = 12,479,968.80 × 3,523,742.40
  4. Step 4: Simplify right side
    8,316,868.80x = 43,976,195,211,237.12
  5. Step 5: Solve for x
    x = 43,976,195,211,237.12/8,316,868.80
  6. Step 6: Final answer
    x = 5,287,590.35

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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.