Home / 11,207,721.80-16,811,582.70-7,381,346.60

Finding the Fourth Proportional to 11,207,721.80, 16,811,582.70 and 7,381,346.60

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Solution

The fourth proportional to 11,207,721.80, 16,811,582.70 and 7,381,346.60 is: 11,072,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207,721.80 : 16,811,582.70 = 7,381,346.60 : x
  2. Step 2: Convert to fraction form
    11,207,721.80/16,811,582.70 = 7,381,346.60/x
  3. Step 3: Cross multiply
    11,207,721.80x = 16,811,582.70 × 7,381,346.60
  4. Step 4: Simplify right side
    11,207,721.80x = 124,092,118,803,263.81
  5. Step 5: Solve for x
    x = 124,092,118,803,263.81/11,207,721.80
  6. Step 6: Final answer
    x = 11,072,019.90

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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.