Home / 13,235,809.10-18,265,860.12-7,355,691.11

Finding the Fourth Proportional to 13,235,809.10, 18,265,860.12 and 7,355,691.11

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Solution

The fourth proportional to 13,235,809.10, 18,265,860.12 and 7,355,691.11 is: 10,151,100.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235,809.10 : 18,265,860.12 = 7,355,691.11 : x
  2. Step 2: Convert to fraction form
    13,235,809.10/18,265,860.12 = 7,355,691.11/x
  3. Step 3: Cross multiply
    13,235,809.10x = 18,265,860.12 × 7,355,691.11
  4. Step 4: Simplify right side
    13,235,809.10x = 134,358,024,974,436.03
  5. Step 5: Solve for x
    x = 134,358,024,974,436.03/13,235,809.10
  6. Step 6: Final answer
    x = 10,151,100.25

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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.