Home / 21,158,815.64-31,748,253.33-10,222,875.05

Finding the Fourth Proportional to 21,158,815.64, 31,748,253.33 and 10,222,875.05

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Solution

The fourth proportional to 21,158,815.64, 31,748,253.33 and 10,222,875.05 is: 15,339,158.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,158,815.64 : 31,748,253.33 = 10,222,875.05 : x
  2. Step 2: Convert to fraction form
    21,158,815.64/31,748,253.33 = 10,222,875.05/x
  3. Step 3: Cross multiply
    21,158,815.64x = 31,748,253.33 × 10,222,875.05
  4. Step 4: Simplify right side
    21,158,815.64x = 324,558,426,848,336.44
  5. Step 5: Solve for x
    x = 324,558,426,848,336.44/21,158,815.64
  6. Step 6: Final answer
    x = 15,339,158.50

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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.