Home / 7,020,677.28-9,688,486.46-3,923,208.52

Finding the Fourth Proportional to 7,020,677.28, 9,688,486.46 and 3,923,208.52

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Solution

The fourth proportional to 7,020,677.28, 9,688,486.46 and 3,923,208.52 is: 5,414,000.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,677.28 : 9,688,486.46 = 3,923,208.52 : x
  2. Step 2: Convert to fraction form
    7,020,677.28/9,688,486.46 = 3,923,208.52/x
  3. Step 3: Cross multiply
    7,020,677.28x = 9,688,486.46 × 3,923,208.52
  4. Step 4: Simplify right side
    7,020,677.28x = 38,009,952,625,776.64
  5. Step 5: Solve for x
    x = 38,009,952,625,776.64/7,020,677.28
  6. Step 6: Final answer
    x = 5,414,000.83

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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.