Home / 15,580,835.22-21,490,401.39-10,935,656.78

Finding the Fourth Proportional to 15,580,835.22, 21,490,401.39 and 10,935,656.78

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Solution

The fourth proportional to 15,580,835.22, 21,490,401.39 and 10,935,656.78 is: 15,083,379.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,580,835.22 : 21,490,401.39 = 10,935,656.78 : x
  2. Step 2: Convert to fraction form
    15,580,835.22/21,490,401.39 = 10,935,656.78/x
  3. Step 3: Cross multiply
    15,580,835.22x = 21,490,401.39 × 10,935,656.78
  4. Step 4: Simplify right side
    15,580,835.22x = 235,011,653,665,474.91
  5. Step 5: Solve for x
    x = 235,011,653,665,474.91/15,580,835.22
  6. Step 6: Final answer
    x = 15,083,379.70

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1.5x scale

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.