Home / 10,286,029.80-15,464,619.90-9,620,015.40

Finding the Fourth Proportional to 10,286,029.80, 15,464,619.90 and 9,620,015.40

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Solution

The fourth proportional to 10,286,029.80, 15,464,619.90 and 9,620,015.40 is: 14,463,294.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286,029.80 : 15,464,619.90 = 9,620,015.40 : x
  2. Step 2: Convert to fraction form
    10,286,029.80/15,464,619.90 = 9,620,015.40/x
  3. Step 3: Cross multiply
    10,286,029.80x = 15,464,619.90 × 9,620,015.40
  4. Step 4: Simplify right side
    10,286,029.80x = 148,769,881,593,146.47
  5. Step 5: Solve for x
    x = 148,769,881,593,146.47/10,286,029.80
  6. Step 6: Final answer
    x = 14,463,294.83

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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.