Home / 8,086,116.12-12,128,707.62-4,890,384.28

Finding the Fourth Proportional to 8,086,116.12, 12,128,707.62 and 4,890,384.28

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Solution

The fourth proportional to 8,086,116.12, 12,128,707.62 and 4,890,384.28 is: 7,335,294.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,086,116.12 : 12,128,707.62 = 4,890,384.28 : x
  2. Step 2: Convert to fraction form
    8,086,116.12/12,128,707.62 = 4,890,384.28/x
  3. Step 3: Cross multiply
    8,086,116.12x = 12,128,707.62 × 4,890,384.28
  4. Step 4: Simplify right side
    8,086,116.12x = 59,314,041,081,564.21
  5. Step 5: Solve for x
    x = 59,314,041,081,564.21/8,086,116.12
  6. Step 6: Final answer
    x = 7,335,294.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.