Home / 21,666,895.40-32,479,998.53-7,279,901.79

Finding the Fourth Proportional to 21,666,895.40, 32,479,998.53 and 7,279,901.79

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Solution

The fourth proportional to 21,666,895.40, 32,479,998.53 and 7,279,901.79 is: 10,913,017.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,666,895.40 : 32,479,998.53 = 7,279,901.79 : x
  2. Step 2: Convert to fraction form
    21,666,895.40/32,479,998.53 = 7,279,901.79/x
  3. Step 3: Cross multiply
    21,666,895.40x = 32,479,998.53 × 7,279,901.79
  4. Step 4: Simplify right side
    21,666,895.40x = 236,451,199,401,344.84
  5. Step 5: Solve for x
    x = 236,451,199,401,344.84/21,666,895.40
  6. Step 6: Final answer
    x = 10,913,017.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.