Home / 7,909,678.26-10,916,520.76-5,009,338.80

Finding the Fourth Proportional to 7,909,678.26, 10,916,520.76 and 5,009,338.80

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Solution

The fourth proportional to 7,909,678.26, 10,916,520.76 and 5,009,338.80 is: 6,913,625.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,909,678.26 : 10,916,520.76 = 5,009,338.80 : x
  2. Step 2: Convert to fraction form
    7,909,678.26/10,916,520.76 = 5,009,338.80/x
  3. Step 3: Cross multiply
    7,909,678.26x = 10,916,520.76 × 5,009,338.80
  4. Step 4: Simplify right side
    7,909,678.26x = 54,684,551,004,073.48
  5. Step 5: Solve for x
    x = 54,684,551,004,073.48/7,909,678.26
  6. Step 6: Final answer
    x = 6,913,625.21

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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.