Home / 39,480,643.68-54,483,465.96-22,076,995.20

Finding the Fourth Proportional to 39,480,643.68, 54,483,465.96 and 22,076,995.20

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Solution

The fourth proportional to 39,480,643.68, 54,483,465.96 and 22,076,995.20 is: 30,466,352.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,480,643.68 : 54,483,465.96 = 22,076,995.20 : x
  2. Step 2: Convert to fraction form
    39,480,643.68/54,483,465.96 = 22,076,995.20/x
  3. Step 3: Cross multiply
    39,480,643.68x = 54,483,465.96 × 22,076,995.20
  4. Step 4: Simplify right side
    39,480,643.68x = 1,202,831,216,478,283.25
  5. Step 5: Solve for x
    x = 1,202,831,216,478,283.25/39,480,643.68
  6. Step 6: Final answer
    x = 30,466,352.73

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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.