Home / 9,990,220.67-13,786,477.39-5,406,542.04

Finding the Fourth Proportional to 9,990,220.67, 13,786,477.39 and 5,406,542.04

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Solution

The fourth proportional to 9,990,220.67, 13,786,477.39 and 5,406,542.04 is: 7,461,013.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,220.67 : 13,786,477.39 = 5,406,542.04 : x
  2. Step 2: Convert to fraction form
    9,990,220.67/13,786,477.39 = 5,406,542.04/x
  3. Step 3: Cross multiply
    9,990,220.67x = 13,786,477.39 × 5,406,542.04
  4. Step 4: Simplify right side
    9,990,220.67x = 74,537,169,592,544.48
  5. Step 5: Solve for x
    x = 74,537,169,592,544.48/9,990,220.67
  6. Step 6: Final answer
    x = 7,461,013.33

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Double scale
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1.5x scale

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.