Home / 19,181,236.20-28,724,615.10-9,072,047.40

Finding the Fourth Proportional to 19,181,236.20, 28,724,615.10 and 9,072,047.40

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Solution

The fourth proportional to 19,181,236.20, 28,724,615.10 and 9,072,047.40 is: 13,585,728.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,181,236.20 : 28,724,615.10 = 9,072,047.40 : x
  2. Step 2: Convert to fraction form
    19,181,236.20/28,724,615.10 = 9,072,047.40/x
  3. Step 3: Cross multiply
    19,181,236.20x = 28,724,615.10 × 9,072,047.40
  4. Step 4: Simplify right side
    19,181,236.20x = 260,591,069,733,955.75
  5. Step 5: Solve for x
    x = 260,591,069,733,955.75/19,181,236.20
  6. Step 6: Final answer
    x = 13,585,728.63

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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.