Home / 7,021,322.68-9,689,461.11-3,923,897.77

Finding the Fourth Proportional to 7,021,322.68, 9,689,461.11 and 3,923,897.77

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Solution

The fourth proportional to 7,021,322.68, 9,689,461.11 and 3,923,897.77 is: 5,414,998.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021,322.68 : 9,689,461.11 = 3,923,897.77 : x
  2. Step 2: Convert to fraction form
    7,021,322.68/9,689,461.11 = 3,923,897.77/x
  3. Step 3: Cross multiply
    7,021,322.68x = 9,689,461.11 × 3,923,897.77
  4. Step 4: Simplify right side
    7,021,322.68x = 38,020,454,842,030.72
  5. Step 5: Solve for x
    x = 38,020,454,842,030.72/7,021,322.68
  6. Step 6: Final answer
    x = 5,414,998.94

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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.