Home / 20,019,880.18-30,032,182.24-15,003,077.14

Finding the Fourth Proportional to 20,019,880.18, 30,032,182.24 and 15,003,077.14

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Solution

The fourth proportional to 20,019,880.18, 30,032,182.24 and 15,003,077.14 is: 22,506,385.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019,880.18 : 30,032,182.24 = 15,003,077.14 : x
  2. Step 2: Convert to fraction form
    20,019,880.18/30,032,182.24 = 15,003,077.14/x
  3. Step 3: Cross multiply
    20,019,880.18x = 30,032,182.24 × 15,003,077.14
  4. Step 4: Simplify right side
    20,019,880.18x = 450,575,146,829,258
  5. Step 5: Solve for x
    x = 450,575,146,829,258/20,019,880.18
  6. Step 6: Final answer
    x = 22,506,385.79

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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.