Home / 13,818,674.61-20,730,668.73-5,298,346.62

Finding the Fourth Proportional to 13,818,674.61, 20,730,668.73 and 5,298,346.62

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Solution

The fourth proportional to 13,818,674.61, 20,730,668.73 and 5,298,346.62 is: 7,948,538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818,674.61 : 20,730,668.73 = 5,298,346.62 : x
  2. Step 2: Convert to fraction form
    13,818,674.61/20,730,668.73 = 5,298,346.62/x
  3. Step 3: Cross multiply
    13,818,674.61x = 20,730,668.73 × 5,298,346.62
  4. Step 4: Simplify right side
    13,818,674.61x = 109,838,268,595,935.20
  5. Step 5: Solve for x
    x = 109,838,268,595,935.20/13,818,674.61
  6. Step 6: Final answer
    x = 7,948,538.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.