Home / 11,566,399.95-15,963,390.56-7,381,890.29

Finding the Fourth Proportional to 11,566,399.95, 15,963,390.56 and 7,381,890.29

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Solution

The fourth proportional to 11,566,399.95, 15,963,390.56 and 7,381,890.29 is: 10,188,130.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,566,399.95 : 15,963,390.56 = 7,381,890.29 : x
  2. Step 2: Convert to fraction form
    11,566,399.95/15,963,390.56 = 7,381,890.29/x
  3. Step 3: Cross multiply
    11,566,399.95x = 15,963,390.56 × 7,381,890.29
  4. Step 4: Simplify right side
    11,566,399.95x = 117,839,997,770,341.67
  5. Step 5: Solve for x
    x = 117,839,997,770,341.67/11,566,399.95
  6. Step 6: Final answer
    x = 10,188,130.99

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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.