Home / 7,920,515.65-10,928,438.19-4,482,756.58

Finding the Fourth Proportional to 7,920,515.65, 10,928,438.19 and 4,482,756.58

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Solution

The fourth proportional to 7,920,515.65, 10,928,438.19 and 4,482,756.58 is: 6,185,143.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920,515.65 : 10,928,438.19 = 4,482,756.58 : x
  2. Step 2: Convert to fraction form
    7,920,515.65/10,928,438.19 = 4,482,756.58/x
  3. Step 3: Cross multiply
    7,920,515.65x = 10,928,438.19 × 4,482,756.58
  4. Step 4: Simplify right side
    7,920,515.65x = 48,989,528,167,513.94
  5. Step 5: Solve for x
    x = 48,989,528,167,513.94/7,920,515.65
  6. Step 6: Final answer
    x = 6,185,143.79

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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.