Home / 28,488,088.84-42,702,273.42-10,525,736.20

Finding the Fourth Proportional to 28,488,088.84, 42,702,273.42 and 10,525,736.20

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Solution

The fourth proportional to 28,488,088.84, 42,702,273.42 and 10,525,736.20 is: 15,777,571.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,488,088.84 : 42,702,273.42 = 10,525,736.20 : x
  2. Step 2: Convert to fraction form
    28,488,088.84/42,702,273.42 = 10,525,736.20/x
  3. Step 3: Cross multiply
    28,488,088.84x = 42,702,273.42 × 10,525,736.20
  4. Step 4: Simplify right side
    28,488,088.84x = 449,472,865,159,191.81
  5. Step 5: Solve for x
    x = 449,472,865,159,191.81/28,488,088.84
  6. Step 6: Final answer
    x = 15,777,571.73

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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.