Home / 28,043,210.30-42,064,815.45-26,720,512.70

Finding the Fourth Proportional to 28,043,210.30, 42,064,815.45 and 26,720,512.70

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Solution

The fourth proportional to 28,043,210.30, 42,064,815.45 and 26,720,512.70 is: 40,080,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043,210.30 : 42,064,815.45 = 26,720,512.70 : x
  2. Step 2: Convert to fraction form
    28,043,210.30/42,064,815.45 = 26,720,512.70/x
  3. Step 3: Cross multiply
    28,043,210.30x = 42,064,815.45 × 26,720,512.70
  4. Step 4: Simplify right side
    28,043,210.30x = 1,123,993,435,454,881.25
  5. Step 5: Solve for x
    x = 1,123,993,435,454,881.25/28,043,210.30
  6. Step 6: Final answer
    x = 40,080,769.05

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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.