Home / 13,070,534.55-18,037,569.42-7,269,318.60

Finding the Fourth Proportional to 13,070,534.55, 18,037,569.42 and 7,269,318.60

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Solution

The fourth proportional to 13,070,534.55, 18,037,569.42 and 7,269,318.60 is: 10,031,788.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070,534.55 : 18,037,569.42 = 7,269,318.60 : x
  2. Step 2: Convert to fraction form
    13,070,534.55/18,037,569.42 = 7,269,318.60/x
  3. Step 3: Cross multiply
    13,070,534.55x = 18,037,569.42 × 7,269,318.60
  4. Step 4: Simplify right side
    13,070,534.55x = 131,120,838,883,597.22
  5. Step 5: Solve for x
    x = 131,120,838,883,597.22/13,070,534.55
  6. Step 6: Final answer
    x = 10,031,788.55

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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.