Home / 10,155,489.21-15,127,683.29-9,605,436.84

Finding the Fourth Proportional to 10,155,489.21, 15,127,683.29 and 9,605,436.84

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Solution

The fourth proportional to 10,155,489.21, 15,127,683.29 and 9,605,436.84 is: 14,308,321.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,155,489.21 : 15,127,683.29 = 9,605,436.84 : x
  2. Step 2: Convert to fraction form
    10,155,489.21/15,127,683.29 = 9,605,436.84/x
  3. Step 3: Cross multiply
    10,155,489.21x = 15,127,683.29 × 9,605,436.84
  4. Step 4: Simplify right side
    10,155,489.21x = 145,308,006,401,632
  5. Step 5: Solve for x
    x = 145,308,006,401,632/10,155,489.21
  6. Step 6: Final answer
    x = 14,308,321.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.