Home / 7,149,130.69-9,865,870.46-3,885,943.41

Finding the Fourth Proportional to 7,149,130.69, 9,865,870.46 and 3,885,943.41

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Solution

The fourth proportional to 7,149,130.69, 9,865,870.46 and 3,885,943.41 is: 5,362,640.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149,130.69 : 9,865,870.46 = 3,885,943.41 : x
  2. Step 2: Convert to fraction form
    7,149,130.69/9,865,870.46 = 3,885,943.41/x
  3. Step 3: Cross multiply
    7,149,130.69x = 9,865,870.46 × 3,885,943.41
  4. Step 4: Simplify right side
    7,149,130.69x = 38,338,214,297,950.67
  5. Step 5: Solve for x
    x = 38,338,214,297,950.67/7,149,130.69
  6. Step 6: Final answer
    x = 5,362,640.01

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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.