Home / 12,417,831.20-18,648,001.20-6,749,127.20

Finding the Fourth Proportional to 12,417,831.20, 18,648,001.20 and 6,749,127.20

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Solution

The fourth proportional to 12,417,831.20, 18,648,001.20 and 6,749,127.20 is: 10,135,242.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,417,831.20 : 18,648,001.20 = 6,749,127.20 : x
  2. Step 2: Convert to fraction form
    12,417,831.20/18,648,001.20 = 6,749,127.20/x
  3. Step 3: Cross multiply
    12,417,831.20x = 18,648,001.20 × 6,749,127.20
  4. Step 4: Simplify right side
    12,417,831.20x = 125,857,732,124,552.64
  5. Step 5: Solve for x
    x = 125,857,732,124,552.64/12,417,831.20
  6. Step 6: Final answer
    x = 10,135,242.63

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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.