Home / 10,253,642.80-15,380,464.20-9,816,804.40

Finding the Fourth Proportional to 10,253,642.80, 15,380,464.20 and 9,816,804.40

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Solution

The fourth proportional to 10,253,642.80, 15,380,464.20 and 9,816,804.40 is: 14,725,206.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253,642.80 : 15,380,464.20 = 9,816,804.40 : x
  2. Step 2: Convert to fraction form
    10,253,642.80/15,380,464.20 = 9,816,804.40/x
  3. Step 3: Cross multiply
    10,253,642.80x = 15,380,464.20 × 9,816,804.40
  4. Step 4: Simplify right side
    10,253,642.80x = 150,987,008,632,602.47
  5. Step 5: Solve for x
    x = 150,987,008,632,602.47/10,253,642.80
  6. Step 6: Final answer
    x = 14,725,206.60

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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.