Home / 20,217,702.28-27,900,017.56-11,050,410.64

Finding the Fourth Proportional to 20,217,702.28, 27,900,017.56 and 11,050,410.64

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Solution

The fourth proportional to 20,217,702.28, 27,900,017.56 and 11,050,410.64 is: 15,249,341.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,217,702.28 : 27,900,017.56 = 11,050,410.64 : x
  2. Step 2: Convert to fraction form
    20,217,702.28/27,900,017.56 = 11,050,410.64/x
  3. Step 3: Cross multiply
    20,217,702.28x = 27,900,017.56 × 11,050,410.64
  4. Step 4: Simplify right side
    20,217,702.28x = 308,306,650,901,210.81
  5. Step 5: Solve for x
    x = 308,306,650,901,210.81/20,217,702.28
  6. Step 6: Final answer
    x = 15,249,341.72

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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.