Home / 9,990,219.67-13,786,476.01-5,406,541.04

Finding the Fourth Proportional to 9,990,219.67, 13,786,476.01 and 5,406,541.04

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Solution

The fourth proportional to 9,990,219.67, 13,786,476.01 and 5,406,541.04 is: 7,461,011.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,219.67 : 13,786,476.01 = 5,406,541.04 : x
  2. Step 2: Convert to fraction form
    9,990,219.67/13,786,476.01 = 5,406,541.04/x
  3. Step 3: Cross multiply
    9,990,219.67x = 13,786,476.01 × 5,406,541.04
  4. Step 4: Simplify right side
    9,990,219.67x = 74,537,148,365,990.30
  5. Step 5: Solve for x
    x = 74,537,148,365,990.30/9,990,219.67
  6. Step 6: Final answer
    x = 7,461,011.95

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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.