Home / 13,141,063.20-19,715,281.20-6,409,696.80

Finding the Fourth Proportional to 13,141,063.20, 19,715,281.20 and 6,409,696.80

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Solution

The fourth proportional to 13,141,063.20, 19,715,281.20 and 6,409,696.80 is: 9,616,343.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141,063.20 : 19,715,281.20 = 6,409,696.80 : x
  2. Step 2: Convert to fraction form
    13,141,063.20/19,715,281.20 = 6,409,696.80/x
  3. Step 3: Cross multiply
    13,141,063.20x = 19,715,281.20 × 6,409,696.80
  4. Step 4: Simplify right side
    13,141,063.20x = 126,368,974,818,740.16
  5. Step 5: Solve for x
    x = 126,368,974,818,740.16/13,141,063.20
  6. Step 6: Final answer
    x = 9,616,343.28

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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.