Home / 20,712,199.14-28,595,095.72-18,414,012.06

Finding the Fourth Proportional to 20,712,199.14, 28,595,095.72 and 18,414,012.06

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Solution

The fourth proportional to 20,712,199.14, 28,595,095.72 and 18,414,012.06 is: 25,422,237.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,712,199.14 : 28,595,095.72 = 18,414,012.06 : x
  2. Step 2: Convert to fraction form
    20,712,199.14/28,595,095.72 = 18,414,012.06/x
  3. Step 3: Cross multiply
    20,712,199.14x = 28,595,095.72 × 18,414,012.06
  4. Step 4: Simplify right side
    20,712,199.14x = 526,550,437,444,934.31
  5. Step 5: Solve for x
    x = 526,550,437,444,934.31/20,712,199.14
  6. Step 6: Final answer
    x = 25,422,237.10

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1.5x scale

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.