Home / 28,701,500.16-39,608,379.96-15,648,653.16

Finding the Fourth Proportional to 28,701,500.16, 39,608,379.96 and 15,648,653.16

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Solution

The fourth proportional to 28,701,500.16, 39,608,379.96 and 15,648,653.16 is: 21,595,310.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,701,500.16 : 39,608,379.96 = 15,648,653.16 : x
  2. Step 2: Convert to fraction form
    28,701,500.16/39,608,379.96 = 15,648,653.16/x
  3. Step 3: Cross multiply
    28,701,500.16x = 39,608,379.96 × 15,648,653.16
  4. Step 4: Simplify right side
    28,701,500.16x = 619,817,800,223,534.75
  5. Step 5: Solve for x
    x = 619,817,800,223,534.75/28,701,500.16
  6. Step 6: Final answer
    x = 21,595,310.24

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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.