Home / 20,526,718.53-28,326,946.61-11,107,509.56

Finding the Fourth Proportional to 20,526,718.53, 28,326,946.61 and 11,107,509.56

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Solution

The fourth proportional to 20,526,718.53, 28,326,946.61 and 11,107,509.56 is: 15,328,403.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526,718.53 : 28,326,946.61 = 11,107,509.56 : x
  2. Step 2: Convert to fraction form
    20,526,718.53/28,326,946.61 = 11,107,509.56/x
  3. Step 3: Cross multiply
    20,526,718.53x = 28,326,946.61 × 11,107,509.56
  4. Step 4: Simplify right side
    20,526,718.53x = 314,641,830,276,184.62
  5. Step 5: Solve for x
    x = 314,641,830,276,184.62/20,526,718.53
  6. Step 6: Final answer
    x = 15,328,403.80

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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.