Home / 13,381,634.16-18,466,295.67-7,875,333

Finding the Fourth Proportional to 13,381,634.16, 18,466,295.67 and 7,875,333

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Solution

The fourth proportional to 13,381,634.16, 18,466,295.67 and 7,875,333 is: 10,867,747.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,381,634.16 : 18,466,295.67 = 7,875,333 : x
  2. Step 2: Convert to fraction form
    13,381,634.16/18,466,295.67 = 7,875,333/x
  3. Step 3: Cross multiply
    13,381,634.16x = 18,466,295.67 × 7,875,333
  4. Step 4: Simplify right side
    13,381,634.16x = 145,428,227,677,708.12
  5. Step 5: Solve for x
    x = 145,428,227,677,708.12/13,381,634.16
  6. Step 6: Final answer
    x = 10,867,747.98

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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.