Home / 13,009,045.12-19,513,515.78-5,815,534.46

Finding the Fourth Proportional to 13,009,045.12, 19,513,515.78 and 5,815,534.46

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Solution

The fourth proportional to 13,009,045.12, 19,513,515.78 and 5,815,534.46 is: 8,723,278.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009,045.12 : 19,513,515.78 = 5,815,534.46 : x
  2. Step 2: Convert to fraction form
    13,009,045.12/19,513,515.78 = 5,815,534.46/x
  3. Step 3: Cross multiply
    13,009,045.12x = 19,513,515.78 × 5,815,534.46
  4. Step 4: Simplify right side
    13,009,045.12x = 113,481,523,422,744.59
  5. Step 5: Solve for x
    x = 113,481,523,422,744.59/13,009,045.12
  6. Step 6: Final answer
    x = 8,723,278.49

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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.