Home / 12,801,090.65-19,201,655.41-5,228,056.40

Finding the Fourth Proportional to 12,801,090.65, 19,201,655.41 and 5,228,056.40

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Solution

The fourth proportional to 12,801,090.65, 19,201,655.41 and 5,228,056.40 is: 7,842,092.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801,090.65 : 19,201,655.41 = 5,228,056.40 : x
  2. Step 2: Convert to fraction form
    12,801,090.65/19,201,655.41 = 5,228,056.40/x
  3. Step 3: Cross multiply
    12,801,090.65x = 19,201,655.41 × 5,228,056.40
  4. Step 4: Simplify right side
    12,801,090.65x = 100,387,337,360,836.84
  5. Step 5: Solve for x
    x = 100,387,337,360,836.84/12,801,090.65
  6. Step 6: Final answer
    x = 7,842,092.53

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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.