Home / 15,105,315.84-20,845,574.88-8,229,795.84

Finding the Fourth Proportional to 15,105,315.84, 20,845,574.88 and 8,229,795.84

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Solution

The fourth proportional to 15,105,315.84, 20,845,574.88 and 8,229,795.84 is: 11,357,248.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,105,315.84 : 20,845,574.88 = 8,229,795.84 : x
  2. Step 2: Convert to fraction form
    15,105,315.84/20,845,574.88 = 8,229,795.84/x
  3. Step 3: Cross multiply
    15,105,315.84x = 20,845,574.88 × 8,229,795.84
  4. Step 4: Simplify right side
    15,105,315.84x = 171,554,825,429,832.50
  5. Step 5: Solve for x
    x = 171,554,825,429,832.50/15,105,315.84
  6. Step 6: Final answer
    x = 11,357,248.48

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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.