Home / 21,104,853.60-31,657,280.40-16,321,884.60

Finding the Fourth Proportional to 21,104,853.60, 31,657,280.40 and 16,321,884.60

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Solution

The fourth proportional to 21,104,853.60, 31,657,280.40 and 16,321,884.60 is: 24,482,826.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,104,853.60 : 31,657,280.40 = 16,321,884.60 : x
  2. Step 2: Convert to fraction form
    21,104,853.60/31,657,280.40 = 16,321,884.60/x
  3. Step 3: Cross multiply
    21,104,853.60x = 31,657,280.40 × 16,321,884.60
  4. Step 4: Simplify right side
    21,104,853.60x = 516,706,477,438,641.81
  5. Step 5: Solve for x
    x = 516,706,477,438,641.81/21,104,853.60
  6. Step 6: Final answer
    x = 24,482,826.90

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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.