Home / 19,215,456.20-26,517,312.06-10,513,665.08

Finding the Fourth Proportional to 19,215,456.20, 26,517,312.06 and 10,513,665.08

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Solution

The fourth proportional to 19,215,456.20, 26,517,312.06 and 10,513,665.08 is: 14,508,848.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215,456.20 : 26,517,312.06 = 10,513,665.08 : x
  2. Step 2: Convert to fraction form
    19,215,456.20/26,517,312.06 = 10,513,665.08/x
  3. Step 3: Cross multiply
    19,215,456.20x = 26,517,312.06 × 10,513,665.08
  4. Step 4: Simplify right side
    19,215,456.20x = 278,794,137,820,684.84
  5. Step 5: Solve for x
    x = 278,794,137,820,684.84/19,215,456.20
  6. Step 6: Final answer
    x = 14,508,848.24

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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.