Home / 7,086,226.88-9,779,302.80-3,988,950.16

Finding the Fourth Proportional to 7,086,226.88, 9,779,302.80 and 3,988,950.16

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Solution

The fourth proportional to 7,086,226.88, 9,779,302.80 and 3,988,950.16 is: 5,504,925.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,086,226.88 : 9,779,302.80 = 3,988,950.16 : x
  2. Step 2: Convert to fraction form
    7,086,226.88/9,779,302.80 = 3,988,950.16/x
  3. Step 3: Cross multiply
    7,086,226.88x = 9,779,302.80 × 3,988,950.16
  4. Step 4: Simplify right side
    7,086,226.88x = 39,009,151,468,748.45
  5. Step 5: Solve for x
    x = 39,009,151,468,748.45/7,086,226.88
  6. Step 6: Final answer
    x = 5,504,925.56

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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.