Home / 8,207,999.70-12,311,999.55-4,974,738.90

Finding the Fourth Proportional to 8,207,999.70, 12,311,999.55 and 4,974,738.90

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Solution

The fourth proportional to 8,207,999.70, 12,311,999.55 and 4,974,738.90 is: 7,462,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207,999.70 : 12,311,999.55 = 4,974,738.90 : x
  2. Step 2: Convert to fraction form
    8,207,999.70/12,311,999.55 = 4,974,738.90/x
  3. Step 3: Cross multiply
    8,207,999.70x = 12,311,999.55 × 4,974,738.90
  4. Step 4: Simplify right side
    8,207,999.70x = 61,248,983,098,167.50
  5. Step 5: Solve for x
    x = 61,248,983,098,167.50/8,207,999.70
  6. Step 6: Final answer
    x = 7,462,108.35

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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.