Home / 7,909,672.25-10,916,512.49-5,009,332.79

Finding the Fourth Proportional to 7,909,672.25, 10,916,512.49 and 5,009,332.79

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Solution

The fourth proportional to 7,909,672.25, 10,916,512.49 and 5,009,332.79 is: 6,913,616.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,909,672.25 : 10,916,512.49 = 5,009,332.79 : x
  2. Step 2: Convert to fraction form
    7,909,672.25/10,916,512.49 = 5,009,332.79/x
  3. Step 3: Cross multiply
    7,909,672.25x = 10,916,512.49 × 5,009,332.79
  4. Step 4: Simplify right side
    7,909,672.25x = 54,684,443,968,601.55
  5. Step 5: Solve for x
    x = 54,684,443,968,601.55/7,909,672.25
  6. Step 6: Final answer
    x = 6,913,616.93

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1.5x scale

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.