Home / 12,051,660.40-18,142,644.96-10,979,066.32

Finding the Fourth Proportional to 12,051,660.40, 18,142,644.96 and 10,979,066.32

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Solution

The fourth proportional to 12,051,660.40, 18,142,644.96 and 10,979,066.32 is: 16,527,955.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051,660.40 : 18,142,644.96 = 10,979,066.32 : x
  2. Step 2: Convert to fraction form
    12,051,660.40/18,142,644.96 = 10,979,066.32/x
  3. Step 3: Cross multiply
    12,051,660.40x = 18,142,644.96 × 10,979,066.32
  4. Step 4: Simplify right side
    12,051,660.40x = 199,189,302,236,053.75
  5. Step 5: Solve for x
    x = 199,189,302,236,053.75/12,051,660.40
  6. Step 6: Final answer
    x = 16,527,955.12

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.