Home / 10,366,295.80-15,549,443.70-7,712,087.80

Finding the Fourth Proportional to 10,366,295.80, 15,549,443.70 and 7,712,087.80

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Solution

The fourth proportional to 10,366,295.80, 15,549,443.70 and 7,712,087.80 is: 11,568,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,295.80 : 15,549,443.70 = 7,712,087.80 : x
  2. Step 2: Convert to fraction form
    10,366,295.80/15,549,443.70 = 7,712,087.80/x
  3. Step 3: Cross multiply
    10,366,295.80x = 15,549,443.70 × 7,712,087.80
  4. Step 4: Simplify right side
    10,366,295.80x = 119,918,675,055,556.84
  5. Step 5: Solve for x
    x = 119,918,675,055,556.84/10,366,295.80
  6. Step 6: Final answer
    x = 11,568,131.70

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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.