Home / 22,197,805.52-30,636,869.64-12,908,250.32

Finding the Fourth Proportional to 22,197,805.52, 30,636,869.64 and 12,908,250.32

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Solution

The fourth proportional to 22,197,805.52, 30,636,869.64 and 12,908,250.32 is: 17,815,652.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,197,805.52 : 30,636,869.64 = 12,908,250.32 : x
  2. Step 2: Convert to fraction form
    22,197,805.52/30,636,869.64 = 12,908,250.32/x
  3. Step 3: Cross multiply
    22,197,805.52x = 30,636,869.64 × 12,908,250.32
  4. Step 4: Simplify right side
    22,197,805.52x = 395,468,382,334,328.31
  5. Step 5: Solve for x
    x = 395,468,382,334,328.31/22,197,805.52
  6. Step 6: Final answer
    x = 17,815,652.18

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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.