Home / 7,021,350-9,689,498.82-3,923,925.06

Finding the Fourth Proportional to 7,021,350, 9,689,498.82 and 3,923,925.06

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Solution

The fourth proportional to 7,021,350, 9,689,498.82 and 3,923,925.06 is: 5,415,036.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021,350 : 9,689,498.82 = 3,923,925.06 : x
  2. Step 2: Convert to fraction form
    7,021,350/9,689,498.82 = 3,923,925.06/x
  3. Step 3: Cross multiply
    7,021,350x = 9,689,498.82 × 3,923,925.06
  4. Step 4: Simplify right side
    7,021,350x = 38,020,867,238,638.43
  5. Step 5: Solve for x
    x = 38,020,867,238,638.43/7,021,350
  6. Step 6: Final answer
    x = 5,415,036.60

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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.