Home / 21,928,927.50-30,262,159.44-12,139,535.34

Finding the Fourth Proportional to 21,928,927.50, 30,262,159.44 and 12,139,535.34

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Solution

The fourth proportional to 21,928,927.50, 30,262,159.44 and 12,139,535.34 is: 16,752,691.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,928,927.50 : 30,262,159.44 = 12,139,535.34 : x
  2. Step 2: Convert to fraction form
    21,928,927.50/30,262,159.44 = 12,139,535.34/x
  3. Step 3: Cross multiply
    21,928,927.50x = 30,262,159.44 × 12,139,535.34
  4. Step 4: Simplify right side
    21,928,927.50x = 367,368,553,986,594.62
  5. Step 5: Solve for x
    x = 367,368,553,986,594.62/21,928,927.50
  6. Step 6: Final answer
    x = 16,752,691.35

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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.