Home / 18,696,085.88-28,047,764.70-7,180,710.75

Finding the Fourth Proportional to 18,696,085.88, 28,047,764.70 and 7,180,710.75

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Solution

The fourth proportional to 18,696,085.88, 28,047,764.70 and 7,180,710.75 is: 10,772,462.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696,085.88 : 28,047,764.70 = 7,180,710.75 : x
  2. Step 2: Convert to fraction form
    18,696,085.88/28,047,764.70 = 7,180,710.75/x
  3. Step 3: Cross multiply
    18,696,085.88x = 28,047,764.70 × 7,180,710.75
  4. Step 4: Simplify right side
    18,696,085.88x = 201,402,885,494,760.53
  5. Step 5: Solve for x
    x = 201,402,885,494,760.53/18,696,085.88
  6. Step 6: Final answer
    x = 10,772,462.58

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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.