Home / 12,292,713.10-18,453,066.45-7,246,866.70

Finding the Fourth Proportional to 12,292,713.10, 18,453,066.45 and 7,246,866.70

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Solution

The fourth proportional to 12,292,713.10, 18,453,066.45 and 7,246,866.70 is: 10,878,551.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292,713.10 : 18,453,066.45 = 7,246,866.70 : x
  2. Step 2: Convert to fraction form
    12,292,713.10/18,453,066.45 = 7,246,866.70/x
  3. Step 3: Cross multiply
    12,292,713.10x = 18,453,066.45 × 7,246,866.70
  4. Step 4: Simplify right side
    12,292,713.10x = 133,726,912,769,392.22
  5. Step 5: Solve for x
    x = 133,726,912,769,392.22/12,292,713.10
  6. Step 6: Final answer
    x = 10,878,551.52

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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.