Home / 17,386,979.60-26,089,800.60-7,290,621.20

Finding the Fourth Proportional to 17,386,979.60, 26,089,800.60 and 7,290,621.20

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Solution

The fourth proportional to 17,386,979.60, 26,089,800.60 and 7,290,621.20 is: 10,939,844.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,386,979.60 : 26,089,800.60 = 7,290,621.20 : x
  2. Step 2: Convert to fraction form
    17,386,979.60/26,089,800.60 = 7,290,621.20/x
  3. Step 3: Cross multiply
    17,386,979.60x = 26,089,800.60 × 7,290,621.20
  4. Step 4: Simplify right side
    17,386,979.60x = 190,210,853,358,132.75
  5. Step 5: Solve for x
    x = 190,210,853,358,132.75/17,386,979.60
  6. Step 6: Final answer
    x = 10,939,844.51

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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.