Home / 31,890,871.89-47,843,910.69-10,325,480.07

Finding the Fourth Proportional to 31,890,871.89, 47,843,910.69 and 10,325,480.07

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Solution

The fourth proportional to 31,890,871.89, 47,843,910.69 and 10,325,480.07 is: 15,490,681.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,890,871.89 : 47,843,910.69 = 10,325,480.07 : x
  2. Step 2: Convert to fraction form
    31,890,871.89/47,843,910.69 = 10,325,480.07/x
  3. Step 3: Cross multiply
    31,890,871.89x = 47,843,910.69 × 10,325,480.07
  4. Step 4: Simplify right side
    31,890,871.89x = 494,011,346,300,454.94
  5. Step 5: Solve for x
    x = 494,011,346,300,454.94/31,890,871.89
  6. Step 6: Final answer
    x = 15,490,681.72

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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.