Home / 7,381,669.30-11,072,503.95-4,139,879.20

Finding the Fourth Proportional to 7,381,669.30, 11,072,503.95 and 4,139,879.20

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Solution

The fourth proportional to 7,381,669.30, 11,072,503.95 and 4,139,879.20 is: 6,209,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,669.30 : 11,072,503.95 = 4,139,879.20 : x
  2. Step 2: Convert to fraction form
    7,381,669.30/11,072,503.95 = 4,139,879.20/x
  3. Step 3: Cross multiply
    7,381,669.30x = 11,072,503.95 × 4,139,879.20
  4. Step 4: Simplify right side
    7,381,669.30x = 45,838,828,794,522.84
  5. Step 5: Solve for x
    x = 45,838,828,794,522.84/7,381,669.30
  6. Step 6: Final answer
    x = 6,209,818.80

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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.