Home / 27,657,628.70-41,486,443.05-13,308,721.70

Finding the Fourth Proportional to 27,657,628.70, 41,486,443.05 and 13,308,721.70

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Solution

The fourth proportional to 27,657,628.70, 41,486,443.05 and 13,308,721.70 is: 19,963,082.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,657,628.70 : 41,486,443.05 = 13,308,721.70 : x
  2. Step 2: Convert to fraction form
    27,657,628.70/41,486,443.05 = 13,308,721.70/x
  3. Step 3: Cross multiply
    27,657,628.70x = 41,486,443.05 × 13,308,721.70
  4. Step 4: Simplify right side
    27,657,628.70x = 552,131,524,875,349.12
  5. Step 5: Solve for x
    x = 552,131,524,875,349.12/27,657,628.70
  6. Step 6: Final answer
    x = 19,963,082.55

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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.