Home / 15,339,935.16-21,169,085.94-8,464,412.16

Finding the Fourth Proportional to 15,339,935.16, 21,169,085.94 and 8,464,412.16

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Solution

The fourth proportional to 15,339,935.16, 21,169,085.94 and 8,464,412.16 is: 11,680,875.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,339,935.16 : 21,169,085.94 = 8,464,412.16 : x
  2. Step 2: Convert to fraction form
    15,339,935.16/21,169,085.94 = 8,464,412.16/x
  3. Step 3: Cross multiply
    15,339,935.16x = 21,169,085.94 × 8,464,412.16
  4. Step 4: Simplify right side
    15,339,935.16x = 179,183,868,446,621.03
  5. Step 5: Solve for x
    x = 179,183,868,446,621.03/15,339,935.16
  6. Step 6: Final answer
    x = 11,680,875.22

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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.