Home / 7,002,918.96-9,664,008.72-3,905,445.21

Finding the Fourth Proportional to 7,002,918.96, 9,664,008.72 and 3,905,445.21

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Solution

The fourth proportional to 7,002,918.96, 9,664,008.72 and 3,905,445.21 is: 5,389,503.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002,918.96 : 9,664,008.72 = 3,905,445.21 : x
  2. Step 2: Convert to fraction form
    7,002,918.96/9,664,008.72 = 3,905,445.21/x
  3. Step 3: Cross multiply
    7,002,918.96x = 9,664,008.72 × 3,905,445.21
  4. Step 4: Simplify right side
    7,002,918.96x = 37,742,256,564,922.23
  5. Step 5: Solve for x
    x = 37,742,256,564,922.23/7,002,918.96
  6. Step 6: Final answer
    x = 5,389,503.55

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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.