Home / 18,693,485.70-28,040,228.55-7,334,304.90

Finding the Fourth Proportional to 18,693,485.70, 28,040,228.55 and 7,334,304.90

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Solution

The fourth proportional to 18,693,485.70, 28,040,228.55 and 7,334,304.90 is: 11,001,457.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693,485.70 : 28,040,228.55 = 7,334,304.90 : x
  2. Step 2: Convert to fraction form
    18,693,485.70/28,040,228.55 = 7,334,304.90/x
  3. Step 3: Cross multiply
    18,693,485.70x = 28,040,228.55 × 7,334,304.90
  4. Step 4: Simplify right side
    18,693,485.70x = 205,655,585,651,384.91
  5. Step 5: Solve for x
    x = 205,655,585,651,384.91/18,693,485.70
  6. Step 6: Final answer
    x = 11,001,457.35

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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.