Home / 31,645,647.84-43,671,852.72-17,896,668

Finding the Fourth Proportional to 31,645,647.84, 43,671,852.72 and 17,896,668

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Solution

The fourth proportional to 31,645,647.84, 43,671,852.72 and 17,896,668 is: 24,697,887.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,645,647.84 : 43,671,852.72 = 17,896,668 : x
  2. Step 2: Convert to fraction form
    31,645,647.84/43,671,852.72 = 17,896,668/x
  3. Step 3: Cross multiply
    31,645,647.84x = 43,671,852.72 × 17,896,668
  4. Step 4: Simplify right side
    31,645,647.84x = 781,580,649,074,737
  5. Step 5: Solve for x
    x = 781,580,649,074,737/31,645,647.84
  6. Step 6: Final answer
    x = 24,697,887.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.