Home / 7,147,989.76-9,864,302.08-3,884,804.48

Finding the Fourth Proportional to 7,147,989.76, 9,864,302.08 and 3,884,804.48

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Solution

The fourth proportional to 7,147,989.76, 9,864,302.08 and 3,884,804.48 is: 5,361,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147,989.76 : 9,864,302.08 = 3,884,804.48 : x
  2. Step 2: Convert to fraction form
    7,147,989.76/9,864,302.08 = 3,884,804.48/x
  3. Step 3: Cross multiply
    7,147,989.76x = 9,864,302.08 × 3,884,804.48
  4. Step 4: Simplify right side
    7,147,989.76x = 38,320,884,912,457.32
  5. Step 5: Solve for x
    x = 38,320,884,912,457.32/7,147,989.76
  6. Step 6: Final answer
    x = 5,361,071.60

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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.