Home / 31,872,106.45-47,709,196.02-17,262,740.66

Finding the Fourth Proportional to 31,872,106.45, 47,709,196.02 and 17,262,740.66

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Solution

The fourth proportional to 31,872,106.45, 47,709,196.02 and 17,262,740.66 is: 25,840,509.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,872,106.45 : 47,709,196.02 = 17,262,740.66 : x
  2. Step 2: Convert to fraction form
    31,872,106.45/47,709,196.02 = 17,262,740.66/x
  3. Step 3: Cross multiply
    31,872,106.45x = 47,709,196.02 × 17,262,740.66
  4. Step 4: Simplify right side
    31,872,106.45x = 823,591,477,751,818.25
  5. Step 5: Solve for x
    x = 823,591,477,751,818.25/31,872,106.45
  6. Step 6: Final answer
    x = 25,840,509.76

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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.