Home / 20,317,970.16-28,037,874.84-11,150,430.96

Finding the Fourth Proportional to 20,317,970.16, 28,037,874.84 and 11,150,430.96

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Solution

The fourth proportional to 20,317,970.16, 28,037,874.84 and 11,150,430.96 is: 15,387,087.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,317,970.16 : 28,037,874.84 = 11,150,430.96 : x
  2. Step 2: Convert to fraction form
    20,317,970.16/28,037,874.84 = 11,150,430.96/x
  3. Step 3: Cross multiply
    20,317,970.16x = 28,037,874.84 × 11,150,430.96
  4. Step 4: Simplify right side
    20,317,970.16x = 312,634,387,668,541.06
  5. Step 5: Solve for x
    x = 312,634,387,668,541.06/20,317,970.16
  6. Step 6: Final answer
    x = 15,387,087.65

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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.