Home / 20,859,246.80-31,251,545.40-17,052,117.20

Finding the Fourth Proportional to 20,859,246.80, 31,251,545.40 and 17,052,117.20

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Solution

The fourth proportional to 20,859,246.80, 31,251,545.40 and 17,052,117.20 is: 25,547,663.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,859,246.80 : 31,251,545.40 = 17,052,117.20 : x
  2. Step 2: Convert to fraction form
    20,859,246.80/31,251,545.40 = 17,052,117.20/x
  3. Step 3: Cross multiply
    20,859,246.80x = 31,251,545.40 × 17,052,117.20
  4. Step 4: Simplify right side
    20,859,246.80x = 532,905,014,841,920.81
  5. Step 5: Solve for x
    x = 532,905,014,841,920.81/20,859,246.80
  6. Step 6: Final answer
    x = 25,547,663.34

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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.