Home / 20,497,284.32-28,283,362.80-11,676,967.52

Finding the Fourth Proportional to 20,497,284.32, 28,283,362.80 and 11,676,967.52

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Solution

The fourth proportional to 20,497,284.32, 28,283,362.80 and 11,676,967.52 is: 16,112,569.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,497,284.32 : 28,283,362.80 = 11,676,967.52 : x
  2. Step 2: Convert to fraction form
    20,497,284.32/28,283,362.80 = 11,676,967.52/x
  3. Step 3: Cross multiply
    20,497,284.32x = 28,283,362.80 × 11,676,967.52
  4. Step 4: Simplify right side
    20,497,284.32x = 330,263,908,771,976.25
  5. Step 5: Solve for x
    x = 330,263,908,771,976.25/20,497,284.32
  6. Step 6: Final answer
    x = 16,112,569.04

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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.