Home / 18,989,250.03-28,483,875.38-4,612,220.93

Finding the Fourth Proportional to 18,989,250.03, 28,483,875.38 and 4,612,220.93

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Solution

The fourth proportional to 18,989,250.03, 28,483,875.38 and 4,612,220.93 is: 6,918,331.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,989,250.03 : 28,483,875.38 = 4,612,220.93 : x
  2. Step 2: Convert to fraction form
    18,989,250.03/28,483,875.38 = 4,612,220.93/x
  3. Step 3: Cross multiply
    18,989,250.03x = 28,483,875.38 × 4,612,220.93
  4. Step 4: Simplify right side
    18,989,250.03x = 131,373,926,277,887.95
  5. Step 5: Solve for x
    x = 131,373,926,277,887.95/18,989,250.03
  6. Step 6: Final answer
    x = 6,918,331.48

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1.5x scale

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.