Home / 38,316,147.62-52,875,534.21-20,912,617.62

Finding the Fourth Proportional to 38,316,147.62, 52,875,534.21 and 20,912,617.62

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Solution

The fourth proportional to 38,316,147.62, 52,875,534.21 and 20,912,617.62 is: 28,859,003.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,316,147.62 : 52,875,534.21 = 20,912,617.62 : x
  2. Step 2: Convert to fraction form
    38,316,147.62/52,875,534.21 = 20,912,617.62/x
  3. Step 3: Cross multiply
    38,316,147.62x = 52,875,534.21 × 20,912,617.62
  4. Step 4: Simplify right side
    38,316,147.62x = 1,105,765,828,386,958.88
  5. Step 5: Solve for x
    x = 1,105,765,828,386,958.88/38,316,147.62
  6. Step 6: Final answer
    x = 28,859,003.24

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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.