Home / 28,512,175.80-42,768,263.70-28,260,233.40

Finding the Fourth Proportional to 28,512,175.80, 42,768,263.70 and 28,260,233.40

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Solution

The fourth proportional to 28,512,175.80, 42,768,263.70 and 28,260,233.40 is: 42,390,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512,175.80 : 42,768,263.70 = 28,260,233.40 : x
  2. Step 2: Convert to fraction form
    28,512,175.80/42,768,263.70 = 28,260,233.40/x
  3. Step 3: Cross multiply
    28,512,175.80x = 42,768,263.70 × 28,260,233.40
  4. Step 4: Simplify right side
    28,512,175.80x = 1,208,641,114,274,747.50
  5. Step 5: Solve for x
    x = 1,208,641,114,274,747.50/28,512,175.80
  6. Step 6: Final answer
    x = 42,390,350.10

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1.5x scale

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.