Home / 20,714,959.28-28,596,449.16-12,009,955.70

Finding the Fourth Proportional to 20,714,959.28, 28,596,449.16 and 12,009,955.70

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Solution

The fourth proportional to 20,714,959.28, 28,596,449.16 and 12,009,955.70 is: 16,579,423.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,714,959.28 : 28,596,449.16 = 12,009,955.70 : x
  2. Step 2: Convert to fraction form
    20,714,959.28/28,596,449.16 = 12,009,955.70/x
  3. Step 3: Cross multiply
    20,714,959.28x = 28,596,449.16 × 12,009,955.70
  4. Step 4: Simplify right side
    20,714,959.28x = 343,442,087,588,902.19
  5. Step 5: Solve for x
    x = 343,442,087,588,902.19/20,714,959.28
  6. Step 6: Final answer
    x = 16,579,423.74

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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.