Home / 6,810,088.72-9,397,921.32-3,909,666.64

Finding the Fourth Proportional to 6,810,088.72, 9,397,921.32 and 3,909,666.64

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Solution

The fourth proportional to 6,810,088.72, 9,397,921.32 and 3,909,666.64 is: 5,395,339.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810,088.72 : 9,397,921.32 = 3,909,666.64 : x
  2. Step 2: Convert to fraction form
    6,810,088.72/9,397,921.32 = 3,909,666.64/x
  3. Step 3: Cross multiply
    6,810,088.72x = 9,397,921.32 × 3,909,666.64
  4. Step 4: Simplify right side
    6,810,088.72x = 36,742,739,470,148.77
  5. Step 5: Solve for x
    x = 36,742,739,470,148.77/6,810,088.72
  6. Step 6: Final answer
    x = 5,395,339.32

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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.