Home / 20,957,830.40-31,453,334.40-8,184,454.40

Finding the Fourth Proportional to 20,957,830.40, 31,453,334.40 and 8,184,454.40

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Solution

The fourth proportional to 20,957,830.40, 31,453,334.40 and 8,184,454.40 is: 12,283,159.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,957,830.40 : 31,453,334.40 = 8,184,454.40 : x
  2. Step 2: Convert to fraction form
    20,957,830.40/31,453,334.40 = 8,184,454.40/x
  3. Step 3: Cross multiply
    20,957,830.40x = 31,453,334.40 × 8,184,454.40
  4. Step 4: Simplify right side
    20,957,830.40x = 257,428,381,124,751.38
  5. Step 5: Solve for x
    x = 257,428,381,124,751.38/20,957,830.40
  6. Step 6: Final answer
    x = 12,283,159.86

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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.