Home / 28,242,830.20-42,371,462.40-9,073,775.20

Finding the Fourth Proportional to 28,242,830.20, 42,371,462.40 and 9,073,775.20

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Solution

The fourth proportional to 28,242,830.20, 42,371,462.40 and 9,073,775.20 is: 13,612,981.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,242,830.20 : 42,371,462.40 = 9,073,775.20 : x
  2. Step 2: Convert to fraction form
    28,242,830.20/42,371,462.40 = 9,073,775.20/x
  3. Step 3: Cross multiply
    28,242,830.20x = 42,371,462.40 × 9,073,775.20
  4. Step 4: Simplify right side
    28,242,830.20x = 384,469,124,712,852.44
  5. Step 5: Solve for x
    x = 384,469,124,712,852.44/28,242,830.20
  6. Step 6: Final answer
    x = 13,612,981.49

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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.