Home / 12,819,581.46-17,691,026.49-7,018,731.54

Finding the Fourth Proportional to 12,819,581.46, 17,691,026.49 and 7,018,731.54

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Solution

The fourth proportional to 12,819,581.46, 17,691,026.49 and 7,018,731.54 is: 9,685,851.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,819,581.46 : 17,691,026.49 = 7,018,731.54 : x
  2. Step 2: Convert to fraction form
    12,819,581.46/17,691,026.49 = 7,018,731.54/x
  3. Step 3: Cross multiply
    12,819,581.46x = 17,691,026.49 × 7,018,731.54
  4. Step 4: Simplify right side
    12,819,581.46x = 124,168,565,600,338.48
  5. Step 5: Solve for x
    x = 124,168,565,600,338.48/12,819,581.46
  6. Step 6: Final answer
    x = 9,685,851.76

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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.