Home / 19,659,055.36-27,129,622.34-10,957,779.71

Finding the Fourth Proportional to 19,659,055.36, 27,129,622.34 and 10,957,779.71

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Solution

The fourth proportional to 19,659,055.36, 27,129,622.34 and 10,957,779.71 is: 15,121,806.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659,055.36 : 27,129,622.34 = 10,957,779.71 : x
  2. Step 2: Convert to fraction form
    19,659,055.36/27,129,622.34 = 10,957,779.71/x
  3. Step 3: Cross multiply
    19,659,055.36x = 27,129,622.34 × 10,957,779.71
  4. Step 4: Simplify right side
    19,659,055.36x = 297,280,425,217,214.75
  5. Step 5: Solve for x
    x = 297,280,425,217,214.75/19,659,055.36
  6. Step 6: Final answer
    x = 15,121,806.20

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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.