Home / 27,579,677.19-38,058,461.89-15,187,348.59

Finding the Fourth Proportional to 27,579,677.19, 38,058,461.89 and 15,187,348.59

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Solution

The fourth proportional to 27,579,677.19, 38,058,461.89 and 15,187,348.59 is: 20,957,719.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,579,677.19 : 38,058,461.89 = 15,187,348.59 : x
  2. Step 2: Convert to fraction form
    27,579,677.19/38,058,461.89 = 15,187,348.59/x
  3. Step 3: Cross multiply
    27,579,677.19x = 38,058,461.89 × 15,187,348.59
  4. Step 4: Simplify right side
    27,579,677.19x = 578,007,127,522,660.25
  5. Step 5: Solve for x
    x = 578,007,127,522,660.25/27,579,677.19
  6. Step 6: Final answer
    x = 20,957,719.10

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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.