Home / 7,147,927.17-9,864,215.70-3,884,742.07

Finding the Fourth Proportional to 7,147,927.17, 9,864,215.70 and 3,884,742.07

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Solution

The fourth proportional to 7,147,927.17, 9,864,215.70 and 3,884,742.07 is: 5,360,985.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147,927.17 : 9,864,215.70 = 3,884,742.07 : x
  2. Step 2: Convert to fraction form
    7,147,927.17/9,864,215.70 = 3,884,742.07/x
  3. Step 3: Cross multiply
    7,147,927.17x = 9,864,215.70 × 3,884,742.07
  4. Step 4: Simplify right side
    7,147,927.17x = 38,319,933,685,590.52
  5. Step 5: Solve for x
    x = 38,319,933,685,590.52/7,147,927.17
  6. Step 6: Final answer
    x = 5,360,985.47

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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.