Home / 14,572,840.40-21,859,260.60-6,997,979.60

Finding the Fourth Proportional to 14,572,840.40, 21,859,260.60 and 6,997,979.60

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Solution

The fourth proportional to 14,572,840.40, 21,859,260.60 and 6,997,979.60 is: 10,496,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,572,840.40 : 21,859,260.60 = 6,997,979.60 : x
  2. Step 2: Convert to fraction form
    14,572,840.40/21,859,260.60 = 6,997,979.60/x
  3. Step 3: Cross multiply
    14,572,840.40x = 21,859,260.60 × 6,997,979.60
  4. Step 4: Simplify right side
    14,572,840.40x = 152,970,659,749,883.75
  5. Step 5: Solve for x
    x = 152,970,659,749,883.75/14,572,840.40
  6. Step 6: Final answer
    x = 10,496,969.40

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Double scale
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Similar ratio
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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.