Home / 12,949,620.70-19,424,431.05-3,973,006.30

Finding the Fourth Proportional to 12,949,620.70, 19,424,431.05 and 3,973,006.30

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Solution

The fourth proportional to 12,949,620.70, 19,424,431.05 and 3,973,006.30 is: 5,959,509.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,620.70 : 19,424,431.05 = 3,973,006.30 : x
  2. Step 2: Convert to fraction form
    12,949,620.70/19,424,431.05 = 3,973,006.30/x
  3. Step 3: Cross multiply
    12,949,620.70x = 19,424,431.05 × 3,973,006.30
  4. Step 4: Simplify right side
    12,949,620.70x = 77,173,386,935,565.61
  5. Step 5: Solve for x
    x = 77,173,386,935,565.61/12,949,620.70
  6. Step 6: Final answer
    x = 5,959,509.45

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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.