Home / 20,785,264.96-31,186,616.88-9,262,794.28

Finding the Fourth Proportional to 20,785,264.96, 31,186,616.88 and 9,262,794.28

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Solution

The fourth proportional to 20,785,264.96, 31,186,616.88 and 9,262,794.28 is: 13,898,077.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,785,264.96 : 31,186,616.88 = 9,262,794.28 : x
  2. Step 2: Convert to fraction form
    20,785,264.96/31,186,616.88 = 9,262,794.28/x
  3. Step 3: Cross multiply
    20,785,264.96x = 31,186,616.88 × 9,262,794.28
  4. Step 4: Simplify right side
    20,785,264.96x = 288,875,216,448,615.44
  5. Step 5: Solve for x
    x = 288,875,216,448,615.44/20,785,264.96
  6. Step 6: Final answer
    x = 13,898,077.17

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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.