Home / 6,689,401.47-9,209,159.53-5,999,880.08

Finding the Fourth Proportional to 6,689,401.47, 9,209,159.53 and 5,999,880.08

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Solution

The fourth proportional to 6,689,401.47, 9,209,159.53 and 5,999,880.08 is: 8,259,909.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,689,401.47 : 9,209,159.53 = 5,999,880.08 : x
  2. Step 2: Convert to fraction form
    6,689,401.47/9,209,159.53 = 5,999,880.08/x
  3. Step 3: Cross multiply
    6,689,401.47x = 9,209,159.53 × 5,999,880.08
  4. Step 4: Simplify right side
    6,689,401.47x = 55,253,852,825,612.36
  5. Step 5: Solve for x
    x = 55,253,852,825,612.36/6,689,401.47
  6. Step 6: Final answer
    x = 8,259,909.81

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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.