Home / 13,758,036.81-18,986,332.20-7,563,344.59

Finding the Fourth Proportional to 13,758,036.81, 18,986,332.20 and 7,563,344.59

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Solution

The fourth proportional to 13,758,036.81, 18,986,332.20 and 7,563,344.59 is: 10,437,548.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,758,036.81 : 18,986,332.20 = 7,563,344.59 : x
  2. Step 2: Convert to fraction form
    13,758,036.81/18,986,332.20 = 7,563,344.59/x
  3. Step 3: Cross multiply
    13,758,036.81x = 18,986,332.20 × 7,563,344.59
  4. Step 4: Simplify right side
    13,758,036.81x = 143,600,172,924,183.16
  5. Step 5: Solve for x
    x = 143,600,172,924,183.16/13,758,036.81
  6. Step 6: Final answer
    x = 10,437,548.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.