Home / 12,011,466.80-18,045,943.46-7,701,960.32

Finding the Fourth Proportional to 12,011,466.80, 18,045,943.46 and 7,701,960.32

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Solution

The fourth proportional to 12,011,466.80, 18,045,943.46 and 7,701,960.32 is: 11,571,371.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011,466.80 : 18,045,943.46 = 7,701,960.32 : x
  2. Step 2: Convert to fraction form
    12,011,466.80/18,045,943.46 = 7,701,960.32/x
  3. Step 3: Cross multiply
    12,011,466.80x = 18,045,943.46 × 7,701,960.32
  4. Step 4: Simplify right side
    12,011,466.80x = 138,989,140,465,883.52
  5. Step 5: Solve for x
    x = 138,989,140,465,883.52/12,011,466.80
  6. Step 6: Final answer
    x = 11,571,371.16

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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.