Home / 12,308,366.40-18,465,962.40-5,123,284.80

Finding the Fourth Proportional to 12,308,366.40, 18,465,962.40 and 5,123,284.80

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Solution

The fourth proportional to 12,308,366.40, 18,465,962.40 and 5,123,284.80 is: 7,686,347.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308,366.40 : 18,465,962.40 = 5,123,284.80 : x
  2. Step 2: Convert to fraction form
    12,308,366.40/18,465,962.40 = 5,123,284.80/x
  3. Step 3: Cross multiply
    12,308,366.40x = 18,465,962.40 × 5,123,284.80
  4. Step 4: Simplify right side
    12,308,366.40x = 94,606,384,481,291.52
  5. Step 5: Solve for x
    x = 94,606,384,481,291.52/12,308,366.40
  6. Step 6: Final answer
    x = 7,686,347.76

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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.