Home / 28,248,002.40-42,377,533.20-12,073,922.40

Finding the Fourth Proportional to 28,248,002.40, 42,377,533.20 and 12,073,922.40

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Solution

The fourth proportional to 28,248,002.40, 42,377,533.20 and 12,073,922.40 is: 18,113,247.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248,002.40 : 42,377,533.20 = 12,073,922.40 : x
  2. Step 2: Convert to fraction form
    28,248,002.40/42,377,533.20 = 12,073,922.40/x
  3. Step 3: Cross multiply
    28,248,002.40x = 42,377,533.20 × 12,073,922.40
  4. Step 4: Simplify right side
    28,248,002.40x = 511,663,047,360,223.75
  5. Step 5: Solve for x
    x = 511,663,047,360,223.75/28,248,002.40
  6. Step 6: Final answer
    x = 18,113,247.09

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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.