Home / 27,991,546.56-38,610,301.76-18,572,133.68

Finding the Fourth Proportional to 27,991,546.56, 38,610,301.76 and 18,572,133.68

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Solution

The fourth proportional to 27,991,546.56, 38,610,301.76 and 18,572,133.68 is: 25,617,580.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,991,546.56 : 38,610,301.76 = 18,572,133.68 : x
  2. Step 2: Convert to fraction form
    27,991,546.56/38,610,301.76 = 18,572,133.68/x
  3. Step 3: Cross multiply
    27,991,546.56x = 38,610,301.76 × 18,572,133.68
  4. Step 4: Simplify right side
    27,991,546.56x = 717,075,685,425,947.12
  5. Step 5: Solve for x
    x = 717,075,685,425,947.12/27,991,546.56
  6. Step 6: Final answer
    x = 25,617,580.08

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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.