Home / 40,457,816.40-60,686,724.60-13,166,680.80

Finding the Fourth Proportional to 40,457,816.40, 60,686,724.60 and 13,166,680.80

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Solution

The fourth proportional to 40,457,816.40, 60,686,724.60 and 13,166,680.80 is: 19,750,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,457,816.40 : 60,686,724.60 = 13,166,680.80 : x
  2. Step 2: Convert to fraction form
    40,457,816.40/60,686,724.60 = 13,166,680.80/x
  3. Step 3: Cross multiply
    40,457,816.40x = 60,686,724.60 × 13,166,680.80
  4. Step 4: Simplify right side
    40,457,816.40x = 799,042,731,605,707.75
  5. Step 5: Solve for x
    x = 799,042,731,605,707.75/40,457,816.40
  6. Step 6: Final answer
    x = 19,750,021.20

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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.