Home / 31,569,448.07-47,355,498.89-15,408,991.56

Finding the Fourth Proportional to 31,569,448.07, 47,355,498.89 and 15,408,991.56

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Solution

The fourth proportional to 31,569,448.07, 47,355,498.89 and 15,408,991.56 is: 23,114,134.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,569,448.07 : 47,355,498.89 = 15,408,991.56 : x
  2. Step 2: Convert to fraction form
    31,569,448.07/47,355,498.89 = 15,408,991.56/x
  3. Step 3: Cross multiply
    31,569,448.07x = 47,355,498.89 × 15,408,991.56
  4. Step 4: Simplify right side
    31,569,448.07x = 729,700,482,873,921.25
  5. Step 5: Solve for x
    x = 729,700,482,873,921.25/31,569,448.07
  6. Step 6: Final answer
    x = 23,114,134.94

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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.