Home / 42,369,479.84-63,544,761.84-19,647,424.64

Finding the Fourth Proportional to 42,369,479.84, 63,544,761.84 and 19,647,424.64

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Solution

The fourth proportional to 42,369,479.84, 63,544,761.84 and 19,647,424.64 is: 29,466,751.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,369,479.84 : 63,544,761.84 = 19,647,424.64 : x
  2. Step 2: Convert to fraction form
    42,369,479.84/63,544,761.84 = 19,647,424.64/x
  3. Step 3: Cross multiply
    42,369,479.84x = 63,544,761.84 × 19,647,424.64
  4. Step 4: Simplify right side
    42,369,479.84x = 1,248,490,919,518,147.75
  5. Step 5: Solve for x
    x = 1,248,490,919,518,147.75/42,369,479.84
  6. Step 6: Final answer
    x = 29,466,751.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.