Home / 10,915,623.78-15,063,296.90-6,020,740.78

Finding the Fourth Proportional to 10,915,623.78, 15,063,296.90 and 6,020,740.78

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Solution

The fourth proportional to 10,915,623.78, 15,063,296.90 and 6,020,740.78 is: 8,308,476.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,915,623.78 : 15,063,296.90 = 6,020,740.78 : x
  2. Step 2: Convert to fraction form
    10,915,623.78/15,063,296.90 = 6,020,740.78/x
  3. Step 3: Cross multiply
    10,915,623.78x = 15,063,296.90 × 6,020,740.78
  4. Step 4: Simplify right side
    10,915,623.78x = 90,692,205,927,077.59
  5. Step 5: Solve for x
    x = 90,692,205,927,077.59/10,915,623.78
  6. Step 6: Final answer
    x = 8,308,476.71

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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.