Home / 28,447,228.55-39,257,274.51-15,394,484.16

Finding the Fourth Proportional to 28,447,228.55, 39,257,274.51 and 15,394,484.16

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Solution

The fourth proportional to 28,447,228.55, 39,257,274.51 and 15,394,484.16 is: 21,244,441.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,447,228.55 : 39,257,274.51 = 15,394,484.16 : x
  2. Step 2: Convert to fraction form
    28,447,228.55/39,257,274.51 = 15,394,484.16/x
  3. Step 3: Cross multiply
    28,447,228.55x = 39,257,274.51 × 15,394,484.16
  4. Step 4: Simplify right side
    28,447,228.55x = 604,345,490,608,966.75
  5. Step 5: Solve for x
    x = 604,345,490,608,966.75/28,447,228.55
  6. Step 6: Final answer
    x = 21,244,441.77

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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.