Home / 30,074,824.09-45,121,951.53-13,911,378.23

Finding the Fourth Proportional to 30,074,824.09, 45,121,951.53 and 13,911,378.23

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Solution

The fourth proportional to 30,074,824.09, 45,121,951.53 and 13,911,378.23 is: 20,871,561.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,074,824.09 : 45,121,951.53 = 13,911,378.23 : x
  2. Step 2: Convert to fraction form
    30,074,824.09/45,121,951.53 = 13,911,378.23/x
  3. Step 3: Cross multiply
    30,074,824.09x = 45,121,951.53 × 13,911,378.23
  4. Step 4: Simplify right side
    30,074,824.09x = 627,708,534,209,557.25
  5. Step 5: Solve for x
    x = 627,708,534,209,557.25/30,074,824.09
  6. Step 6: Final answer
    x = 20,871,561.29

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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.