Home / 15,016,574.25-20,739,979.67-10,179,280.17

Finding the Fourth Proportional to 15,016,574.25, 20,739,979.67 and 10,179,280.17

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Solution

The fourth proportional to 15,016,574.25, 20,739,979.67 and 10,179,280.17 is: 14,059,003.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,016,574.25 : 20,739,979.67 = 10,179,280.17 : x
  2. Step 2: Convert to fraction form
    15,016,574.25/20,739,979.67 = 10,179,280.17/x
  3. Step 3: Cross multiply
    15,016,574.25x = 20,739,979.67 × 10,179,280.17
  4. Step 4: Simplify right side
    15,016,574.25x = 211,118,063,730,137.72
  5. Step 5: Solve for x
    x = 211,118,063,730,137.72/15,016,574.25
  6. Step 6: Final answer
    x = 14,059,003.09

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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.