Home / 20,746,714.28-28,596,199.38-13,868,686.76

Finding the Fourth Proportional to 20,746,714.28, 28,596,199.38 and 13,868,686.76

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Solution

The fourth proportional to 20,746,714.28, 28,596,199.38 and 13,868,686.76 is: 19,115,881.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,746,714.28 : 28,596,199.38 = 13,868,686.76 : x
  2. Step 2: Convert to fraction form
    20,746,714.28/28,596,199.38 = 13,868,686.76/x
  3. Step 3: Cross multiply
    20,746,714.28x = 28,596,199.38 × 13,868,686.76
  4. Step 4: Simplify right side
    20,746,714.28x = 396,591,731,727,726.19
  5. Step 5: Solve for x
    x = 396,591,731,727,726.19/20,746,714.28
  6. Step 6: Final answer
    x = 19,115,881.50

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1.5x scale

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.