Home / 7,232,128.86-9,979,678.04-4,291,439.16

Finding the Fourth Proportional to 7,232,128.86, 9,979,678.04 and 4,291,439.16

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Solution

The fourth proportional to 7,232,128.86, 9,979,678.04 and 4,291,439.16 is: 5,921,794.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,232,128.86 : 9,979,678.04 = 4,291,439.16 : x
  2. Step 2: Convert to fraction form
    7,232,128.86/9,979,678.04 = 4,291,439.16/x
  3. Step 3: Cross multiply
    7,232,128.86x = 9,979,678.04 × 4,291,439.16
  4. Step 4: Simplify right side
    7,232,128.86x = 42,827,181,145,048.05
  5. Step 5: Solve for x
    x = 42,827,181,145,048.05/7,232,128.86
  6. Step 6: Final answer
    x = 5,921,794.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.