Home / 15,975,019.80-23,966,028.90-6,387,989.40

Finding the Fourth Proportional to 15,975,019.80, 23,966,028.90 and 6,387,989.40

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Solution

The fourth proportional to 15,975,019.80, 23,966,028.90 and 6,387,989.40 is: 9,583,383.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,975,019.80 : 23,966,028.90 = 6,387,989.40 : x
  2. Step 2: Convert to fraction form
    15,975,019.80/23,966,028.90 = 6,387,989.40/x
  3. Step 3: Cross multiply
    15,975,019.80x = 23,966,028.90 × 6,387,989.40
  4. Step 4: Simplify right side
    15,975,019.80x = 153,094,738,573,293.66
  5. Step 5: Solve for x
    x = 153,094,738,573,293.66/15,975,019.80
  6. Step 6: Final answer
    x = 9,583,383.34

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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.