Home / 12,893,212.20-19,346,816.70-5,320,943.40

Finding the Fourth Proportional to 12,893,212.20, 19,346,816.70 and 5,320,943.40

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Solution

The fourth proportional to 12,893,212.20, 19,346,816.70 and 5,320,943.40 is: 7,984,303.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,893,212.20 : 19,346,816.70 = 5,320,943.40 : x
  2. Step 2: Convert to fraction form
    12,893,212.20/19,346,816.70 = 5,320,943.40/x
  3. Step 3: Cross multiply
    12,893,212.20x = 19,346,816.70 × 5,320,943.40
  4. Step 4: Simplify right side
    12,893,212.20x = 102,943,316,630,874.78
  5. Step 5: Solve for x
    x = 102,943,316,630,874.78/12,893,212.20
  6. Step 6: Final answer
    x = 7,984,303.29

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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.