Home / 8,736,605.20-13,104,907.80-7,243,613.20

Finding the Fourth Proportional to 8,736,605.20, 13,104,907.80 and 7,243,613.20

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Solution

The fourth proportional to 8,736,605.20, 13,104,907.80 and 7,243,613.20 is: 10,865,419.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736,605.20 : 13,104,907.80 = 7,243,613.20 : x
  2. Step 2: Convert to fraction form
    8,736,605.20/13,104,907.80 = 7,243,613.20/x
  3. Step 3: Cross multiply
    8,736,605.20x = 13,104,907.80 × 7,243,613.20
  4. Step 4: Simplify right side
    8,736,605.20x = 94,926,883,124,862.97
  5. Step 5: Solve for x
    x = 94,926,883,124,862.97/8,736,605.20
  6. Step 6: Final answer
    x = 10,865,419.80

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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.