Home / 19,508,778.72-26,921,761.86-10,806,924.36

Finding the Fourth Proportional to 19,508,778.72, 26,921,761.86 and 10,806,924.36

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Solution

The fourth proportional to 19,508,778.72, 26,921,761.86 and 10,806,924.36 is: 14,913,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,508,778.72 : 26,921,761.86 = 10,806,924.36 : x
  2. Step 2: Convert to fraction form
    19,508,778.72/26,921,761.86 = 10,806,924.36/x
  3. Step 3: Cross multiply
    19,508,778.72x = 26,921,761.86 × 10,806,924.36
  4. Step 4: Simplify right side
    19,508,778.72x = 290,941,444,058,952.88
  5. Step 5: Solve for x
    x = 290,941,444,058,952.88/19,508,778.72
  6. Step 6: Final answer
    x = 14,913,360.20

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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.