Home / 21,746,503.05-30,009,367.12-11,956,364.75

Finding the Fourth Proportional to 21,746,503.05, 30,009,367.12 and 11,956,364.75

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Solution

The fourth proportional to 21,746,503.05, 30,009,367.12 and 11,956,364.75 is: 16,499,339.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,746,503.05 : 30,009,367.12 = 11,956,364.75 : x
  2. Step 2: Convert to fraction form
    21,746,503.05/30,009,367.12 = 11,956,364.75/x
  3. Step 3: Cross multiply
    21,746,503.05x = 30,009,367.12 × 11,956,364.75
  4. Step 4: Simplify right side
    21,746,503.05x = 358,802,938,993,548.31
  5. Step 5: Solve for x
    x = 358,802,938,993,548.31/21,746,503.05
  6. Step 6: Final answer
    x = 16,499,339.60

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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.