Home / 18,018,645.84-24,865,741.80-9,870,019.92

Finding the Fourth Proportional to 18,018,645.84, 24,865,741.80 and 9,870,019.92

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Solution

The fourth proportional to 18,018,645.84, 24,865,741.80 and 9,870,019.92 is: 13,620,633.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018,645.84 : 24,865,741.80 = 9,870,019.92 : x
  2. Step 2: Convert to fraction form
    18,018,645.84/24,865,741.80 = 9,870,019.92/x
  3. Step 3: Cross multiply
    18,018,645.84x = 24,865,741.80 × 9,870,019.92
  4. Step 4: Simplify right side
    18,018,645.84x = 245,425,366,891,576.66
  5. Step 5: Solve for x
    x = 245,425,366,891,576.66/18,018,645.84
  6. Step 6: Final answer
    x = 13,620,633.26

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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.