Home / 10,403,715.20-15,605,572.80-3,312,003.20

Finding the Fourth Proportional to 10,403,715.20, 15,605,572.80 and 3,312,003.20

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Solution

The fourth proportional to 10,403,715.20, 15,605,572.80 and 3,312,003.20 is: 4,968,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403,715.20 : 15,605,572.80 = 3,312,003.20 : x
  2. Step 2: Convert to fraction form
    10,403,715.20/15,605,572.80 = 3,312,003.20/x
  3. Step 3: Cross multiply
    10,403,715.20x = 15,605,572.80 × 3,312,003.20
  4. Step 4: Simplify right side
    10,403,715.20x = 51,685,707,051,432.97
  5. Step 5: Solve for x
    x = 51,685,707,051,432.97/10,403,715.20
  6. Step 6: Final answer
    x = 4,968,004.80

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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.