Home / 10,202,447.80-14,079,206.70-5,619,195.64

Finding the Fourth Proportional to 10,202,447.80, 14,079,206.70 and 5,619,195.64

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Solution

The fourth proportional to 10,202,447.80, 14,079,206.70 and 5,619,195.64 is: 7,754,395.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,202,447.80 : 14,079,206.70 = 5,619,195.64 : x
  2. Step 2: Convert to fraction form
    10,202,447.80/14,079,206.70 = 5,619,195.64/x
  3. Step 3: Cross multiply
    10,202,447.80x = 14,079,206.70 × 5,619,195.64
  4. Step 4: Simplify right side
    10,202,447.80x = 79,113,816,903,298.78
  5. Step 5: Solve for x
    x = 79,113,816,903,298.78/10,202,447.80
  6. Step 6: Final answer
    x = 7,754,395.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.