Home / 7,191,421.32-9,924,161.04-3,883,715.26

Finding the Fourth Proportional to 7,191,421.32, 9,924,161.04 and 3,883,715.26

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Solution

The fourth proportional to 7,191,421.32, 9,924,161.04 and 3,883,715.26 is: 5,359,526.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191,421.32 : 9,924,161.04 = 3,883,715.26 : x
  2. Step 2: Convert to fraction form
    7,191,421.32/9,924,161.04 = 3,883,715.26/x
  3. Step 3: Cross multiply
    7,191,421.32x = 9,924,161.04 × 3,883,715.26
  4. Step 4: Simplify right side
    7,191,421.32x = 38,542,615,735,100.22
  5. Step 5: Solve for x
    x = 38,542,615,735,100.22/7,191,421.32
  6. Step 6: Final answer
    x = 5,359,526.86

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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.