Home / 30,074,729.93-45,121,810.32-13,911,284.08

Finding the Fourth Proportional to 30,074,729.93, 45,121,810.32 and 13,911,284.08

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Solution

The fourth proportional to 30,074,729.93, 45,121,810.32 and 13,911,284.08 is: 20,871,420.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,074,729.93 : 45,121,810.32 = 13,911,284.08 : x
  2. Step 2: Convert to fraction form
    30,074,729.93/45,121,810.32 = 13,911,284.08/x
  3. Step 3: Cross multiply
    30,074,729.93x = 45,121,810.32 × 13,911,284.08
  4. Step 4: Simplify right side
    30,074,729.93x = 627,702,321,621,798
  5. Step 5: Solve for x
    x = 627,702,321,621,798/30,074,729.93
  6. Step 6: Final answer
    x = 20,871,420.06

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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.