Home / 16,870,321.53-23,281,154.33-9,135,364.23

Finding the Fourth Proportional to 16,870,321.53, 23,281,154.33 and 9,135,364.23

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Solution

The fourth proportional to 16,870,321.53, 23,281,154.33 and 9,135,364.23 is: 12,606,862.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,870,321.53 : 23,281,154.33 = 9,135,364.23 : x
  2. Step 2: Convert to fraction form
    16,870,321.53/23,281,154.33 = 9,135,364.23/x
  3. Step 3: Cross multiply
    16,870,321.53x = 23,281,154.33 × 9,135,364.23
  4. Step 4: Simplify right side
    16,870,321.53x = 212,681,824,453,714.81
  5. Step 5: Solve for x
    x = 212,681,824,453,714.81/16,870,321.53
  6. Step 6: Final answer
    x = 12,606,862.54

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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.