Home / 7,147,927.42-9,864,216.04-3,884,742.32

Finding the Fourth Proportional to 7,147,927.42, 9,864,216.04 and 3,884,742.32

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Solution

The fourth proportional to 7,147,927.42, 9,864,216.04 and 3,884,742.32 is: 5,360,985.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147,927.42 : 9,864,216.04 = 3,884,742.32 : x
  2. Step 2: Convert to fraction form
    7,147,927.42/9,864,216.04 = 3,884,742.32/x
  3. Step 3: Cross multiply
    7,147,927.42x = 9,864,216.04 × 3,884,742.32
  4. Step 4: Simplify right side
    7,147,927.42x = 38,319,937,504,210.80
  5. Step 5: Solve for x
    x = 38,319,937,504,210.80/7,147,927.42
  6. Step 6: Final answer
    x = 5,360,985.81

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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.