Home / 10,615,010.46-15,899,176.74-8,772,493.74

Finding the Fourth Proportional to 10,615,010.46, 15,899,176.74 and 8,772,493.74

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Solution

The fourth proportional to 10,615,010.46, 15,899,176.74 and 8,772,493.74 is: 13,139,452.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,615,010.46 : 15,899,176.74 = 8,772,493.74 : x
  2. Step 2: Convert to fraction form
    10,615,010.46/15,899,176.74 = 8,772,493.74/x
  3. Step 3: Cross multiply
    10,615,010.46x = 15,899,176.74 × 8,772,493.74
  4. Step 4: Simplify right side
    10,615,010.46x = 139,475,428,422,803.61
  5. Step 5: Solve for x
    x = 139,475,428,422,803.61/10,615,010.46
  6. Step 6: Final answer
    x = 13,139,452.75

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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.