Home / 48,626,982.80-72,940,474.20-28,421,824.40

Finding the Fourth Proportional to 48,626,982.80, 72,940,474.20 and 28,421,824.40

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Solution

The fourth proportional to 48,626,982.80, 72,940,474.20 and 28,421,824.40 is: 42,632,736.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,626,982.80 : 72,940,474.20 = 28,421,824.40 : x
  2. Step 2: Convert to fraction form
    48,626,982.80/72,940,474.20 = 28,421,824.40/x
  3. Step 3: Cross multiply
    48,626,982.80x = 72,940,474.20 × 28,421,824.40
  4. Step 4: Simplify right side
    48,626,982.80x = 2,073,101,349,365,130.50
  5. Step 5: Solve for x
    x = 2,073,101,349,365,130.50/48,626,982.80
  6. Step 6: Final answer
    x = 42,632,736.60

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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.