Home / 13,365,865.20-18,441,732.56-7,564,647

Finding the Fourth Proportional to 13,365,865.20, 18,441,732.56 and 7,564,647

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Solution

The fourth proportional to 13,365,865.20, 18,441,732.56 and 7,564,647 is: 10,437,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365,865.20 : 18,441,732.56 = 7,564,647 : x
  2. Step 2: Convert to fraction form
    13,365,865.20/18,441,732.56 = 7,564,647/x
  3. Step 3: Cross multiply
    13,365,865.20x = 18,441,732.56 × 7,564,647
  4. Step 4: Simplify right side
    13,365,865.20x = 139,505,196,884,806.31
  5. Step 5: Solve for x
    x = 139,505,196,884,806.31/13,365,865.20
  6. Step 6: Final answer
    x = 10,437,423.60

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1.5x scale

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.