Home / 13,303,821.20-19,955,731.80-10,434,039.80

Finding the Fourth Proportional to 13,303,821.20, 19,955,731.80 and 10,434,039.80

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Solution

The fourth proportional to 13,303,821.20, 19,955,731.80 and 10,434,039.80 is: 15,651,059.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303,821.20 : 19,955,731.80 = 10,434,039.80 : x
  2. Step 2: Convert to fraction form
    13,303,821.20/19,955,731.80 = 10,434,039.80/x
  3. Step 3: Cross multiply
    13,303,821.20x = 19,955,731.80 × 10,434,039.80
  4. Step 4: Simplify right side
    13,303,821.20x = 208,218,899,839,325.66
  5. Step 5: Solve for x
    x = 208,218,899,839,325.66/13,303,821.20
  6. Step 6: Final answer
    x = 15,651,059.70

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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.