Home / 28,726,955.84-39,657,564.96-17,865,439.04

Finding the Fourth Proportional to 28,726,955.84, 39,657,564.96 and 17,865,439.04

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Solution

The fourth proportional to 28,726,955.84, 39,657,564.96 and 17,865,439.04 is: 24,663,240.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,726,955.84 : 39,657,564.96 = 17,865,439.04 : x
  2. Step 2: Convert to fraction form
    28,726,955.84/39,657,564.96 = 17,865,439.04/x
  3. Step 3: Cross multiply
    28,726,955.84x = 39,657,564.96 × 17,865,439.04
  4. Step 4: Simplify right side
    28,726,955.84x = 708,499,809,267,720
  5. Step 5: Solve for x
    x = 708,499,809,267,720/28,726,955.84
  6. Step 6: Final answer
    x = 24,663,240.10

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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.