Home / 10,369,986.20-15,554,979.30-9,740,130.20

Finding the Fourth Proportional to 10,369,986.20, 15,554,979.30 and 9,740,130.20

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Solution

The fourth proportional to 10,369,986.20, 15,554,979.30 and 9,740,130.20 is: 14,610,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,986.20 : 15,554,979.30 = 9,740,130.20 : x
  2. Step 2: Convert to fraction form
    10,369,986.20/15,554,979.30 = 9,740,130.20/x
  3. Step 3: Cross multiply
    10,369,986.20x = 15,554,979.30 × 9,740,130.20
  4. Step 4: Simplify right side
    10,369,986.20x = 151,507,523,640,304.84
  5. Step 5: Solve for x
    x = 151,507,523,640,304.84/10,369,986.20
  6. Step 6: Final answer
    x = 14,610,195.30

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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.