Home / 10,211,030.20-15,295,550.10-7,019,759.80

Finding the Fourth Proportional to 10,211,030.20, 15,295,550.10 and 7,019,759.80

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Solution

The fourth proportional to 10,211,030.20, 15,295,550.10 and 7,019,759.80 is: 10,515,206.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211,030.20 : 15,295,550.10 = 7,019,759.80 : x
  2. Step 2: Convert to fraction form
    10,211,030.20/15,295,550.10 = 7,019,759.80/x
  3. Step 3: Cross multiply
    10,211,030.20x = 15,295,550.10 × 7,019,759.80
  4. Step 4: Simplify right side
    10,211,030.20x = 107,371,087,710,865.97
  5. Step 5: Solve for x
    x = 107,371,087,710,865.97/10,211,030.20
  6. Step 6: Final answer
    x = 10,515,206.17

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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.