Home / 12,911,249.60-19,369,426.08-3,813,505.28

Finding the Fourth Proportional to 12,911,249.60, 19,369,426.08 and 3,813,505.28

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Solution

The fourth proportional to 12,911,249.60, 19,369,426.08 and 3,813,505.28 is: 5,721,011.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,911,249.60 : 19,369,426.08 = 3,813,505.28 : x
  2. Step 2: Convert to fraction form
    12,911,249.60/19,369,426.08 = 3,813,505.28/x
  3. Step 3: Cross multiply
    12,911,249.60x = 19,369,426.08 × 3,813,505.28
  4. Step 4: Simplify right side
    12,911,249.60x = 73,865,408,626,649.69
  5. Step 5: Solve for x
    x = 73,865,408,626,649.69/12,911,249.60
  6. Step 6: Final answer
    x = 5,721,011.59

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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.