Home / 15,046,720.50-20,770,831.26-10,158,564.18

Finding the Fourth Proportional to 15,046,720.50, 20,770,831.26 and 10,158,564.18

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Solution

The fourth proportional to 15,046,720.50, 20,770,831.26 and 10,158,564.18 is: 14,023,110.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,046,720.50 : 20,770,831.26 = 10,158,564.18 : x
  2. Step 2: Convert to fraction form
    15,046,720.50/20,770,831.26 = 10,158,564.18/x
  3. Step 3: Cross multiply
    15,046,720.50x = 20,770,831.26 × 10,158,564.18
  4. Step 4: Simplify right side
    15,046,720.50x = 211,001,822,426,660.28
  5. Step 5: Solve for x
    x = 211,001,822,426,660.28/15,046,720.50
  6. Step 6: Final answer
    x = 14,023,110.38

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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.