Home / 12,893,203.20-19,346,803.20-5,320,934.40

Finding the Fourth Proportional to 12,893,203.20, 19,346,803.20 and 5,320,934.40

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Solution

The fourth proportional to 12,893,203.20, 19,346,803.20 and 5,320,934.40 is: 7,984,289.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,893,203.20 : 19,346,803.20 = 5,320,934.40 : x
  2. Step 2: Convert to fraction form
    12,893,203.20/19,346,803.20 = 5,320,934.40/x
  3. Step 3: Cross multiply
    12,893,203.20x = 19,346,803.20 × 5,320,934.40
  4. Step 4: Simplify right side
    12,893,203.20x = 102,943,070,676,910.08
  5. Step 5: Solve for x
    x = 102,943,070,676,910.08/12,893,203.20
  6. Step 6: Final answer
    x = 7,984,289.79

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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.