Home / 11,510,340.90-15,880,498.09-8,203,156.08

Finding the Fourth Proportional to 11,510,340.90, 15,880,498.09 and 8,203,156.08

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Solution

The fourth proportional to 11,510,340.90, 15,880,498.09 and 8,203,156.08 is: 11,317,666.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,510,340.90 : 15,880,498.09 = 8,203,156.08 : x
  2. Step 2: Convert to fraction form
    11,510,340.90/15,880,498.09 = 8,203,156.08/x
  3. Step 3: Cross multiply
    11,510,340.90x = 15,880,498.09 × 8,203,156.08
  4. Step 4: Simplify right side
    11,510,340.90x = 130,270,204,460,411.89
  5. Step 5: Solve for x
    x = 130,270,204,460,411.89/11,510,340.90
  6. Step 6: Final answer
    x = 11,317,666.92

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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.