Home / 20,745,870.94-28,602,687.27-17,010,941.50

Finding the Fourth Proportional to 20,745,870.94, 28,602,687.27 and 17,010,941.50

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Solution

The fourth proportional to 20,745,870.94, 28,602,687.27 and 17,010,941.50 is: 23,453,276.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,745,870.94 : 28,602,687.27 = 17,010,941.50 : x
  2. Step 2: Convert to fraction form
    20,745,870.94/28,602,687.27 = 17,010,941.50/x
  3. Step 3: Cross multiply
    20,745,870.94x = 28,602,687.27 × 17,010,941.50
  4. Step 4: Simplify right side
    20,745,870.94x = 486,558,639,892,764.69
  5. Step 5: Solve for x
    x = 486,558,639,892,764.69/20,745,870.94
  6. Step 6: Final answer
    x = 23,453,276.14

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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.