Home / 18,989,250.16-28,483,875.57-4,612,221.06

Finding the Fourth Proportional to 18,989,250.16, 28,483,875.57 and 4,612,221.06

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Solution

The fourth proportional to 18,989,250.16, 28,483,875.57 and 4,612,221.06 is: 6,918,331.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,989,250.16 : 28,483,875.57 = 4,612,221.06 : x
  2. Step 2: Convert to fraction form
    18,989,250.16/28,483,875.57 = 4,612,221.06/x
  3. Step 3: Cross multiply
    18,989,250.16x = 28,483,875.57 × 4,612,221.06
  4. Step 4: Simplify right side
    18,989,250.16x = 131,373,930,774,373.50
  5. Step 5: Solve for x
    x = 131,373,930,774,373.50/18,989,250.16
  6. Step 6: Final answer
    x = 6,918,331.67

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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.