Home / 26,958,652.80-40,437,979.20-19,305,902.40

Finding the Fourth Proportional to 26,958,652.80, 40,437,979.20 and 19,305,902.40

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Solution

The fourth proportional to 26,958,652.80, 40,437,979.20 and 19,305,902.40 is: 28,958,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,958,652.80 : 40,437,979.20 = 19,305,902.40 : x
  2. Step 2: Convert to fraction form
    26,958,652.80/40,437,979.20 = 19,305,902.40/x
  3. Step 3: Cross multiply
    26,958,652.80x = 40,437,979.20 × 19,305,902.40
  4. Step 4: Simplify right side
    26,958,652.80x = 780,691,679,688,430.12
  5. Step 5: Solve for x
    x = 780,691,679,688,430.12/26,958,652.80
  6. Step 6: Final answer
    x = 28,958,853.60

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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.