Home / 7,268,991.60-10,903,487.40-7,219,225.20

Finding the Fourth Proportional to 7,268,991.60, 10,903,487.40 and 7,219,225.20

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Solution

The fourth proportional to 7,268,991.60, 10,903,487.40 and 7,219,225.20 is: 10,828,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268,991.60 : 10,903,487.40 = 7,219,225.20 : x
  2. Step 2: Convert to fraction form
    7,268,991.60/10,903,487.40 = 7,219,225.20/x
  3. Step 3: Cross multiply
    7,268,991.60x = 10,903,487.40 × 7,219,225.20
  4. Step 4: Simplify right side
    7,268,991.60x = 78,714,731,005,962.48
  5. Step 5: Solve for x
    x = 78,714,731,005,962.48/7,268,991.60
  6. Step 6: Final answer
    x = 10,828,837.80

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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.