Home / 15,035,726.76-20,749,317.16-8,160,210.60

Finding the Fourth Proportional to 15,035,726.76, 20,749,317.16 and 8,160,210.60

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Solution

The fourth proportional to 15,035,726.76, 20,749,317.16 and 8,160,210.60 is: 11,261,098.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,035,726.76 : 20,749,317.16 = 8,160,210.60 : x
  2. Step 2: Convert to fraction form
    15,035,726.76/20,749,317.16 = 8,160,210.60/x
  3. Step 3: Cross multiply
    15,035,726.76x = 20,749,317.16 × 8,160,210.60
  4. Step 4: Simplify right side
    15,035,726.76x = 169,318,797,831,793.88
  5. Step 5: Solve for x
    x = 169,318,797,831,793.88/15,035,726.76
  6. Step 6: Final answer
    x = 11,261,098.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.