Home / 18,979,041.72-26,191,030.28-10,277,213.79

Finding the Fourth Proportional to 18,979,041.72, 26,191,030.28 and 10,277,213.79

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Solution

The fourth proportional to 18,979,041.72, 26,191,030.28 and 10,277,213.79 is: 14,182,529.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979,041.72 : 26,191,030.28 = 10,277,213.79 : x
  2. Step 2: Convert to fraction form
    18,979,041.72/26,191,030.28 = 10,277,213.79/x
  3. Step 3: Cross multiply
    18,979,041.72x = 26,191,030.28 × 10,277,213.79
  4. Step 4: Simplify right side
    18,979,041.72x = 269,170,817,516,537.47
  5. Step 5: Solve for x
    x = 269,170,817,516,537.47/18,979,041.72
  6. Step 6: Final answer
    x = 14,182,529.42

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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.