Home / 13,866,331.68-19,135,472.40-7,754,784.48

Finding the Fourth Proportional to 13,866,331.68, 19,135,472.40 and 7,754,784.48

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Solution

The fourth proportional to 13,866,331.68, 19,135,472.40 and 7,754,784.48 is: 10,701,566.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866,331.68 : 19,135,472.40 = 7,754,784.48 : x
  2. Step 2: Convert to fraction form
    13,866,331.68/19,135,472.40 = 7,754,784.48/x
  3. Step 3: Cross multiply
    13,866,331.68x = 19,135,472.40 × 7,754,784.48
  4. Step 4: Simplify right side
    13,866,331.68x = 148,391,464,384,988.34
  5. Step 5: Solve for x
    x = 148,391,464,384,988.34/13,866,331.68
  6. Step 6: Final answer
    x = 10,701,566.05

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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.