Home / 5,390,335.90-8,085,503.85-5,284,047.70

Finding the Fourth Proportional to 5,390,335.90, 8,085,503.85 and 5,284,047.70

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Solution

The fourth proportional to 5,390,335.90, 8,085,503.85 and 5,284,047.70 is: 7,926,071.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,335.90 : 8,085,503.85 = 5,284,047.70 : x
  2. Step 2: Convert to fraction form
    5,390,335.90/8,085,503.85 = 5,284,047.70/x
  3. Step 3: Cross multiply
    5,390,335.90x = 8,085,503.85 × 5,284,047.70
  4. Step 4: Simplify right side
    5,390,335.90x = 42,724,188,021,933.65
  5. Step 5: Solve for x
    x = 42,724,188,021,933.65/5,390,335.90
  6. Step 6: Final answer
    x = 7,926,071.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.