Home / 13,248,045.20-19,872,067.80-12,464,224.40

Finding the Fourth Proportional to 13,248,045.20, 19,872,067.80 and 12,464,224.40

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Solution

The fourth proportional to 13,248,045.20, 19,872,067.80 and 12,464,224.40 is: 18,696,336.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248,045.20 : 19,872,067.80 = 12,464,224.40 : x
  2. Step 2: Convert to fraction form
    13,248,045.20/19,872,067.80 = 12,464,224.40/x
  3. Step 3: Cross multiply
    13,248,045.20x = 19,872,067.80 × 12,464,224.40
  4. Step 4: Simplify right side
    13,248,045.20x = 247,689,912,351,214.34
  5. Step 5: Solve for x
    x = 247,689,912,351,214.34/13,248,045.20
  6. Step 6: Final answer
    x = 18,696,336.60

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1.5x scale

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.