Home / 28,677,722.16-43,016,544-13,316,611.92

Finding the Fourth Proportional to 28,677,722.16, 43,016,544 and 13,316,611.92

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Solution

The fourth proportional to 28,677,722.16, 43,016,544 and 13,316,611.92 is: 19,974,899.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,677,722.16 : 43,016,544 = 13,316,611.92 : x
  2. Step 2: Convert to fraction form
    28,677,722.16/43,016,544 = 13,316,611.92/x
  3. Step 3: Cross multiply
    28,677,722.16x = 43,016,544 × 13,316,611.92
  4. Step 4: Simplify right side
    28,677,722.16x = 572,834,622,587,604.50
  5. Step 5: Solve for x
    x = 572,834,622,587,604.50/28,677,722.16
  6. Step 6: Final answer
    x = 19,974,899.66

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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.