Home / 28,658,478.92-39,548,703.54-15,605,734.04

Finding the Fourth Proportional to 28,658,478.92, 39,548,703.54 and 15,605,734.04

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Solution

The fourth proportional to 28,658,478.92, 39,548,703.54 and 15,605,734.04 is: 21,535,914.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,658,478.92 : 39,548,703.54 = 15,605,734.04 : x
  2. Step 2: Convert to fraction form
    28,658,478.92/39,548,703.54 = 15,605,734.04/x
  3. Step 3: Cross multiply
    28,658,478.92x = 39,548,703.54 × 15,605,734.04
  4. Step 4: Simplify right side
    28,658,478.92x = 617,186,549,072,046.50
  5. Step 5: Solve for x
    x = 617,186,549,072,046.50/28,658,478.92
  6. Step 6: Final answer
    x = 21,535,914.41

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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.