Home / 7,918,931.45-10,928,125.39-4,297,259.45

Finding the Fourth Proportional to 7,918,931.45, 10,928,125.39 and 4,297,259.45

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Solution

The fourth proportional to 7,918,931.45, 10,928,125.39 and 4,297,259.45 is: 5,930,218.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918,931.45 : 10,928,125.39 = 4,297,259.45 : x
  2. Step 2: Convert to fraction form
    7,918,931.45/10,928,125.39 = 4,297,259.45/x
  3. Step 3: Cross multiply
    7,918,931.45x = 10,928,125.39 × 4,297,259.45
  4. Step 4: Simplify right side
    7,918,931.45x = 46,960,990,037,578.66
  5. Step 5: Solve for x
    x = 46,960,990,037,578.66/7,918,931.45
  6. Step 6: Final answer
    x = 5,930,218.03

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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.