Home / 20,402,805.60-30,533,349.60-14,025,513.60

Finding the Fourth Proportional to 20,402,805.60, 30,533,349.60 and 14,025,513.60

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Solution

The fourth proportional to 20,402,805.60, 30,533,349.60 and 14,025,513.60 is: 20,989,559.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,402,805.60 : 30,533,349.60 = 14,025,513.60 : x
  2. Step 2: Convert to fraction form
    20,402,805.60/30,533,349.60 = 14,025,513.60/x
  3. Step 3: Cross multiply
    20,402,805.60x = 30,533,349.60 × 14,025,513.60
  4. Step 4: Simplify right side
    20,402,805.60x = 428,245,910,068,354.56
  5. Step 5: Solve for x
    x = 428,245,910,068,354.56/20,402,805.60
  6. Step 6: Final answer
    x = 20,989,559.89

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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.