Home / 10,369,986.45-15,554,979.68-9,740,130.45

Finding the Fourth Proportional to 10,369,986.45, 15,554,979.68 and 9,740,130.45

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Solution

The fourth proportional to 10,369,986.45, 15,554,979.68 and 9,740,130.45 is: 14,610,195.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,986.45 : 15,554,979.68 = 9,740,130.45 : x
  2. Step 2: Convert to fraction form
    10,369,986.45/15,554,979.68 = 9,740,130.45/x
  3. Step 3: Cross multiply
    10,369,986.45x = 15,554,979.68 × 9,740,130.45
  4. Step 4: Simplify right side
    10,369,986.45x = 151,507,531,181,598.59
  5. Step 5: Solve for x
    x = 151,507,531,181,598.59/10,369,986.45
  6. Step 6: Final answer
    x = 14,610,195.68

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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.