Home / 7,163,483.76-9,885,514.86-3,900,261.06

Finding the Fourth Proportional to 7,163,483.76, 9,885,514.86 and 3,900,261.06

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Solution

The fourth proportional to 7,163,483.76, 9,885,514.86 and 3,900,261.06 is: 5,382,309.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163,483.76 : 9,885,514.86 = 3,900,261.06 : x
  2. Step 2: Convert to fraction form
    7,163,483.76/9,885,514.86 = 3,900,261.06/x
  3. Step 3: Cross multiply
    7,163,483.76x = 9,885,514.86 × 3,900,261.06
  4. Step 4: Simplify right side
    7,163,483.76x = 38,556,088,666,509.35
  5. Step 5: Solve for x
    x = 38,556,088,666,509.35/7,163,483.76
  6. Step 6: Final answer
    x = 5,382,309.78

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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.