Home / 13,307,559.80-18,364,542.60-7,347,158.60

Finding the Fourth Proportional to 13,307,559.80, 18,364,542.60 and 7,347,158.60

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Solution

The fourth proportional to 13,307,559.80, 18,364,542.60 and 7,347,158.60 is: 10,139,139.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307,559.80 : 18,364,542.60 = 7,347,158.60 : x
  2. Step 2: Convert to fraction form
    13,307,559.80/18,364,542.60 = 7,347,158.60/x
  3. Step 3: Cross multiply
    13,307,559.80x = 18,364,542.60 × 7,347,158.60
  4. Step 4: Simplify right side
    13,307,559.80x = 134,927,207,098,656.36
  5. Step 5: Solve for x
    x = 134,927,207,098,656.36/13,307,559.80
  6. Step 6: Final answer
    x = 10,139,139.64

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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.