Home / 11,154,775.77-15,407,621.82-9,201,731.31

Finding the Fourth Proportional to 11,154,775.77, 15,407,621.82 and 9,201,731.31

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Solution

The fourth proportional to 11,154,775.77, 15,407,621.82 and 9,201,731.31 is: 12,709,963.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154,775.77 : 15,407,621.82 = 9,201,731.31 : x
  2. Step 2: Convert to fraction form
    11,154,775.77/15,407,621.82 = 9,201,731.31/x
  3. Step 3: Cross multiply
    11,154,775.77x = 15,407,621.82 × 9,201,731.31
  4. Step 4: Simplify right side
    11,154,775.77x = 141,776,796,113,733.19
  5. Step 5: Solve for x
    x = 141,776,796,113,733.19/11,154,775.77
  6. Step 6: Final answer
    x = 12,709,963.79

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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.