Home / 13,369,788.53-18,465,503.60-9,011,362.13

Finding the Fourth Proportional to 13,369,788.53, 18,465,503.60 and 9,011,362.13

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Solution

The fourth proportional to 13,369,788.53, 18,465,503.60 and 9,011,362.13 is: 12,445,921.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369,788.53 : 18,465,503.60 = 9,011,362.13 : x
  2. Step 2: Convert to fraction form
    13,369,788.53/18,465,503.60 = 9,011,362.13/x
  3. Step 3: Cross multiply
    13,369,788.53x = 18,465,503.60 × 9,011,362.13
  4. Step 4: Simplify right side
    13,369,788.53x = 166,399,339,801,176.28
  5. Step 5: Solve for x
    x = 166,399,339,801,176.28/13,369,788.53
  6. Step 6: Final answer
    x = 12,445,921.60

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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.