Home / 28,816,475.74-39,766,617.55-15,585,667.32

Finding the Fourth Proportional to 28,816,475.74, 39,766,617.55 and 15,585,667.32

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Solution

The fourth proportional to 28,816,475.74, 39,766,617.55 and 15,585,667.32 is: 21,508,156.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816,475.74 : 39,766,617.55 = 15,585,667.32 : x
  2. Step 2: Convert to fraction form
    28,816,475.74/39,766,617.55 = 15,585,667.32/x
  3. Step 3: Cross multiply
    28,816,475.74x = 39,766,617.55 × 15,585,667.32
  4. Step 4: Simplify right side
    28,816,475.74x = 619,789,271,788,438.38
  5. Step 5: Solve for x
    x = 619,789,271,788,438.38/28,816,475.74
  6. Step 6: Final answer
    x = 21,508,156.56

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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.