Home / 19,215,208.32-26,516,751.12-10,513,255.56

Finding the Fourth Proportional to 19,215,208.32, 26,516,751.12 and 10,513,255.56

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Solution

The fourth proportional to 19,215,208.32, 26,516,751.12 and 10,513,255.56 is: 14,508,163.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215,208.32 : 26,516,751.12 = 10,513,255.56 : x
  2. Step 2: Convert to fraction form
    19,215,208.32/26,516,751.12 = 10,513,255.56/x
  3. Step 3: Cross multiply
    19,215,208.32x = 26,516,751.12 × 10,513,255.56
  4. Step 4: Simplify right side
    19,215,208.32x = 278,777,381,145,476.25
  5. Step 5: Solve for x
    x = 278,777,381,145,476.25/19,215,208.32
  6. Step 6: Final answer
    x = 14,508,163.35

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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.