Home / 27,842,831.40-38,422,529.37-15,452,205.21

Finding the Fourth Proportional to 27,842,831.40, 38,422,529.37 and 15,452,205.21

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Solution

The fourth proportional to 27,842,831.40, 38,422,529.37 and 15,452,205.21 is: 21,323,722.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,842,831.40 : 38,422,529.37 = 15,452,205.21 : x
  2. Step 2: Convert to fraction form
    27,842,831.40/38,422,529.37 = 15,452,205.21/x
  3. Step 3: Cross multiply
    27,842,831.40x = 38,422,529.37 × 15,452,205.21
  4. Step 4: Simplify right side
    27,842,831.40x = 593,712,808,512,492
  5. Step 5: Solve for x
    x = 593,712,808,512,492/27,842,831.40
  6. Step 6: Final answer
    x = 21,323,722.43

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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.