Home / 53,242,004.46-79,871,831.36-18,689,441.11

Finding the Fourth Proportional to 53,242,004.46, 79,871,831.36 and 18,689,441.11

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Solution

The fourth proportional to 53,242,004.46, 79,871,831.36 and 18,689,441.11 is: 28,037,259.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,242,004.46 : 79,871,831.36 = 18,689,441.11 : x
  2. Step 2: Convert to fraction form
    53,242,004.46/79,871,831.36 = 18,689,441.11/x
  3. Step 3: Cross multiply
    53,242,004.46x = 79,871,831.36 × 18,689,441.11
  4. Step 4: Simplify right side
    53,242,004.46x = 1,492,759,888,327,530
  5. Step 5: Solve for x
    x = 1,492,759,888,327,530/53,242,004.46
  6. Step 6: Final answer
    x = 28,037,259.37

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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.