Home / 7,280,740.80-10,921,111.20-4,885,732.80

Finding the Fourth Proportional to 7,280,740.80, 10,921,111.20 and 4,885,732.80

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Solution

The fourth proportional to 7,280,740.80, 10,921,111.20 and 4,885,732.80 is: 7,328,599.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,740.80 : 10,921,111.20 = 4,885,732.80 : x
  2. Step 2: Convert to fraction form
    7,280,740.80/10,921,111.20 = 4,885,732.80/x
  3. Step 3: Cross multiply
    7,280,740.80x = 10,921,111.20 × 4,885,732.80
  4. Step 4: Simplify right side
    7,280,740.80x = 53,357,631,202,287.35
  5. Step 5: Solve for x
    x = 53,357,631,202,287.35/7,280,740.80
  6. Step 6: Final answer
    x = 7,328,599.20

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1.5x scale

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.