Home / 27,579,676.19-38,058,460.52-15,187,347.59

Finding the Fourth Proportional to 27,579,676.19, 38,058,460.52 and 15,187,347.59

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Solution

The fourth proportional to 27,579,676.19, 38,058,460.52 and 15,187,347.59 is: 20,957,717.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,579,676.19 : 38,058,460.52 = 15,187,347.59 : x
  2. Step 2: Convert to fraction form
    27,579,676.19/38,058,460.52 = 15,187,347.59/x
  3. Step 3: Cross multiply
    27,579,676.19x = 38,058,460.52 × 15,187,347.59
  4. Step 4: Simplify right side
    27,579,676.19x = 578,007,068,391,303.12
  5. Step 5: Solve for x
    x = 578,007,068,391,303.12/27,579,676.19
  6. Step 6: Final answer
    x = 20,957,717.72

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Double scale
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1.5x scale

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.