Home / 7,220,290.65-9,958,261.50-6,136,151.01

Finding the Fourth Proportional to 7,220,290.65, 9,958,261.50 and 6,136,151.01

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Solution

The fourth proportional to 7,220,290.65, 9,958,261.50 and 6,136,151.01 is: 8,463,010.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220,290.65 : 9,958,261.50 = 6,136,151.01 : x
  2. Step 2: Convert to fraction form
    7,220,290.65/9,958,261.50 = 6,136,151.01/x
  3. Step 3: Cross multiply
    7,220,290.65x = 9,958,261.50 × 6,136,151.01
  4. Step 4: Simplify right side
    7,220,290.65x = 61,105,396,361,069.11
  5. Step 5: Solve for x
    x = 61,105,396,361,069.11/7,220,290.65
  6. Step 6: Final answer
    x = 8,463,010.61

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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.