Home / 15,594,106.05-21,520,673.46-8,979,677.01

Finding the Fourth Proportional to 15,594,106.05, 21,520,673.46 and 8,979,677.01

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Solution

The fourth proportional to 15,594,106.05, 21,520,673.46 and 8,979,677.01 is: 12,392,419.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,594,106.05 : 21,520,673.46 = 8,979,677.01 : x
  2. Step 2: Convert to fraction form
    15,594,106.05/21,520,673.46 = 8,979,677.01/x
  3. Step 3: Cross multiply
    15,594,106.05x = 21,520,673.46 × 8,979,677.01
  4. Step 4: Simplify right side
    15,594,106.05x = 193,248,696,708,479.16
  5. Step 5: Solve for x
    x = 193,248,696,708,479.16/15,594,106.05
  6. Step 6: Final answer
    x = 12,392,419.04

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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.