Home / 13,452,818.21-18,565,476.99-7,572,831.48

Finding the Fourth Proportional to 13,452,818.21, 18,565,476.99 and 7,572,831.48

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Solution

The fourth proportional to 13,452,818.21, 18,565,476.99 and 7,572,831.48 is: 10,450,838.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452,818.21 : 18,565,476.99 = 7,572,831.48 : x
  2. Step 2: Convert to fraction form
    13,452,818.21/18,565,476.99 = 7,572,831.48/x
  3. Step 3: Cross multiply
    13,452,818.21x = 18,565,476.99 × 7,572,831.48
  4. Step 4: Simplify right side
    13,452,818.21x = 140,593,228,562,689.52
  5. Step 5: Solve for x
    x = 140,593,228,562,689.52/13,452,818.21
  6. Step 6: Final answer
    x = 10,450,838.36

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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.