Home / 14,278,625.76-19,704,394.56-7,752,125.76

Finding the Fourth Proportional to 14,278,625.76, 19,704,394.56 and 7,752,125.76

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Solution

The fourth proportional to 14,278,625.76, 19,704,394.56 and 7,752,125.76 is: 10,697,874.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278,625.76 : 19,704,394.56 = 7,752,125.76 : x
  2. Step 2: Convert to fraction form
    14,278,625.76/19,704,394.56 = 7,752,125.76/x
  3. Step 3: Cross multiply
    14,278,625.76x = 19,704,394.56 × 7,752,125.76
  4. Step 4: Simplify right side
    14,278,625.76x = 152,750,944,653,779.84
  5. Step 5: Solve for x
    x = 152,750,944,653,779.84/14,278,625.76
  6. Step 6: Final answer
    x = 10,697,874.38

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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.