Home / 21,032,928.60-31,536,951.30-10,955,232.60

Finding the Fourth Proportional to 21,032,928.60, 31,536,951.30 and 10,955,232.60

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Solution

The fourth proportional to 21,032,928.60, 31,536,951.30 and 10,955,232.60 is: 16,426,368.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032,928.60 : 31,536,951.30 = 10,955,232.60 : x
  2. Step 2: Convert to fraction form
    21,032,928.60/31,536,951.30 = 10,955,232.60/x
  3. Step 3: Cross multiply
    21,032,928.60x = 31,536,951.30 × 10,955,232.60
  4. Step 4: Simplify right side
    21,032,928.60x = 345,494,636,986,372.38
  5. Step 5: Solve for x
    x = 345,494,636,986,372.38/21,032,928.60
  6. Step 6: Final answer
    x = 16,426,368.56

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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.