Home / 12,805,288.86-19,207,966.11-5,232,254.58

Finding the Fourth Proportional to 12,805,288.86, 19,207,966.11 and 5,232,254.58

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Solution

The fourth proportional to 12,805,288.86, 19,207,966.11 and 5,232,254.58 is: 7,848,395.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805,288.86 : 19,207,966.11 = 5,232,254.58 : x
  2. Step 2: Convert to fraction form
    12,805,288.86/19,207,966.11 = 5,232,254.58/x
  3. Step 3: Cross multiply
    12,805,288.86x = 19,207,966.11 × 5,232,254.58
  4. Step 4: Simplify right side
    12,805,288.86x = 100,500,968,651,532.28
  5. Step 5: Solve for x
    x = 100,500,968,651,532.28/12,805,288.86
  6. Step 6: Final answer
    x = 7,848,395.28

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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.