Home / 19,415,947.12-29,116,350.64-7,278,794.56

Finding the Fourth Proportional to 19,415,947.12, 29,116,350.64 and 7,278,794.56

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Solution

The fourth proportional to 19,415,947.12, 29,116,350.64 and 7,278,794.56 is: 10,915,353.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415,947.12 : 29,116,350.64 = 7,278,794.56 : x
  2. Step 2: Convert to fraction form
    19,415,947.12/29,116,350.64 = 7,278,794.56/x
  3. Step 3: Cross multiply
    19,415,947.12x = 29,116,350.64 × 7,278,794.56
  4. Step 4: Simplify right side
    19,415,947.12x = 211,931,934,645,484.50
  5. Step 5: Solve for x
    x = 211,931,934,645,484.50/19,415,947.12
  6. Step 6: Final answer
    x = 10,915,353.93

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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.