Home / 12,842,816.60-19,264,224.90-5,275,213.40

Finding the Fourth Proportional to 12,842,816.60, 19,264,224.90 and 5,275,213.40

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Solution

The fourth proportional to 12,842,816.60, 19,264,224.90 and 5,275,213.40 is: 7,912,820.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,842,816.60 : 19,264,224.90 = 5,275,213.40 : x
  2. Step 2: Convert to fraction form
    12,842,816.60/19,264,224.90 = 5,275,213.40/x
  3. Step 3: Cross multiply
    12,842,816.60x = 19,264,224.90 × 5,275,213.40
  4. Step 4: Simplify right side
    12,842,816.60x = 101,622,897,333,093.66
  5. Step 5: Solve for x
    x = 101,622,897,333,093.66/12,842,816.60
  6. Step 6: Final answer
    x = 7,912,820.10

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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.