Home / 18,688,019.60-28,032,029.40-16,672,480.40

Finding the Fourth Proportional to 18,688,019.60, 28,032,029.40 and 16,672,480.40

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Solution

The fourth proportional to 18,688,019.60, 28,032,029.40 and 16,672,480.40 is: 25,008,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,688,019.60 : 28,032,029.40 = 16,672,480.40 : x
  2. Step 2: Convert to fraction form
    18,688,019.60/28,032,029.40 = 16,672,480.40/x
  3. Step 3: Cross multiply
    18,688,019.60x = 28,032,029.40 × 16,672,480.40
  4. Step 4: Simplify right side
    18,688,019.60x = 467,363,460,743,723.75
  5. Step 5: Solve for x
    x = 467,363,460,743,723.75/18,688,019.60
  6. Step 6: Final answer
    x = 25,008,720.60

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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.