Home / 10,132,632.40-15,210,007.80-5,653,656.40

Finding the Fourth Proportional to 10,132,632.40, 15,210,007.80 and 5,653,656.40

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Solution

The fourth proportional to 10,132,632.40, 15,210,007.80 and 5,653,656.40 is: 8,486,655.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132,632.40 : 15,210,007.80 = 5,653,656.40 : x
  2. Step 2: Convert to fraction form
    10,132,632.40/15,210,007.80 = 5,653,656.40/x
  3. Step 3: Cross multiply
    10,132,632.40x = 15,210,007.80 × 5,653,656.40
  4. Step 4: Simplify right side
    10,132,632.40x = 85,992,157,942,519.94
  5. Step 5: Solve for x
    x = 85,992,157,942,519.94/10,132,632.40
  6. Step 6: Final answer
    x = 8,486,655.25

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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.