Home / 12,557,951.60-18,808,933.80-9,702,604.40

Finding the Fourth Proportional to 12,557,951.60, 18,808,933.80 and 9,702,604.40

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Solution

The fourth proportional to 12,557,951.60, 18,808,933.80 and 9,702,604.40 is: 14,532,278.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557,951.60 : 18,808,933.80 = 9,702,604.40 : x
  2. Step 2: Convert to fraction form
    12,557,951.60/18,808,933.80 = 9,702,604.40/x
  3. Step 3: Cross multiply
    12,557,951.60x = 18,808,933.80 × 9,702,604.40
  4. Step 4: Simplify right side
    12,557,951.60x = 182,495,643,847,188.72
  5. Step 5: Solve for x
    x = 182,495,643,847,188.72/12,557,951.60
  6. Step 6: Final answer
    x = 14,532,278.01

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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.