Home / 20,696,050.16-28,353,717.34-19,920,306.64

Finding the Fourth Proportional to 20,696,050.16, 28,353,717.34 and 19,920,306.64

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Solution

The fourth proportional to 20,696,050.16, 28,353,717.34 and 19,920,306.64 is: 27,290,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,696,050.16 : 28,353,717.34 = 19,920,306.64 : x
  2. Step 2: Convert to fraction form
    20,696,050.16/28,353,717.34 = 19,920,306.64/x
  3. Step 3: Cross multiply
    20,696,050.16x = 28,353,717.34 × 19,920,306.64
  4. Step 4: Simplify right side
    20,696,050.16x = 564,814,743,796,685.12
  5. Step 5: Solve for x
    x = 564,814,743,796,685.12/20,696,050.16
  6. Step 6: Final answer
    x = 27,290,943.90

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.