Home / 10,448,561.40-15,672,842.10-2,772,191.40

Finding the Fourth Proportional to 10,448,561.40, 15,672,842.10 and 2,772,191.40

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Solution

The fourth proportional to 10,448,561.40, 15,672,842.10 and 2,772,191.40 is: 4,158,287.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,448,561.40 : 15,672,842.10 = 2,772,191.40 : x
  2. Step 2: Convert to fraction form
    10,448,561.40/15,672,842.10 = 2,772,191.40/x
  3. Step 3: Cross multiply
    10,448,561.40x = 15,672,842.10 × 2,772,191.40
  4. Step 4: Simplify right side
    10,448,561.40x = 43,448,118,083,177.94
  5. Step 5: Solve for x
    x = 43,448,118,083,177.94/10,448,561.40
  6. Step 6: Final answer
    x = 4,158,287.10

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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.