Home / 7,268,237.60-10,902,356.40-7,218,471.20

Finding the Fourth Proportional to 7,268,237.60, 10,902,356.40 and 7,218,471.20

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Solution

The fourth proportional to 7,268,237.60, 10,902,356.40 and 7,218,471.20 is: 10,827,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268,237.60 : 10,902,356.40 = 7,218,471.20 : x
  2. Step 2: Convert to fraction form
    7,268,237.60/10,902,356.40 = 7,218,471.20/x
  3. Step 3: Cross multiply
    7,268,237.60x = 10,902,356.40 × 7,218,471.20
  4. Step 4: Simplify right side
    7,268,237.60x = 78,698,345,685,535.69
  5. Step 5: Solve for x
    x = 78,698,345,685,535.69/7,268,237.60
  6. Step 6: Final answer
    x = 10,827,706.80

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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.