Home / 6,615,407.28-9,916,812.32-2,124,534

Finding the Fourth Proportional to 6,615,407.28, 9,916,812.32 and 2,124,534

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Solution

The fourth proportional to 6,615,407.28, 9,916,812.32 and 2,124,534 is: 3,184,778.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,615,407.28 : 9,916,812.32 = 2,124,534 : x
  2. Step 2: Convert to fraction form
    6,615,407.28/9,916,812.32 = 2,124,534/x
  3. Step 3: Cross multiply
    6,615,407.28x = 9,916,812.32 × 2,124,534
  4. Step 4: Simplify right side
    6,615,407.28x = 21,068,604,945,458.88
  5. Step 5: Solve for x
    x = 21,068,604,945,458.88/6,615,407.28
  6. Step 6: Final answer
    x = 3,184,778.21

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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.