Home / 28,049,703.60-42,082,428.60-13,673,240.40

Finding the Fourth Proportional to 28,049,703.60, 42,082,428.60 and 13,673,240.40

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Solution

The fourth proportional to 28,049,703.60, 42,082,428.60 and 13,673,240.40 is: 20,513,698.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,049,703.60 : 42,082,428.60 = 13,673,240.40 : x
  2. Step 2: Convert to fraction form
    28,049,703.60/42,082,428.60 = 13,673,240.40/x
  3. Step 3: Cross multiply
    28,049,703.60x = 42,082,428.60 × 13,673,240.40
  4. Step 4: Simplify right side
    28,049,703.60x = 575,403,162,863,635.50
  5. Step 5: Solve for x
    x = 575,403,162,863,635.50/28,049,703.60
  6. Step 6: Final answer
    x = 20,513,698.51

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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.