Home / 15,290,630.34-21,096,317.10-8,674,129.14

Finding the Fourth Proportional to 15,290,630.34, 21,096,317.10 and 8,674,129.14

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Solution

The fourth proportional to 15,290,630.34, 21,096,317.10 and 8,674,129.14 is: 11,967,602.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290,630.34 : 21,096,317.10 = 8,674,129.14 : x
  2. Step 2: Convert to fraction form
    15,290,630.34/21,096,317.10 = 8,674,129.14/x
  3. Step 3: Cross multiply
    15,290,630.34x = 21,096,317.10 × 8,674,129.14
  4. Step 4: Simplify right side
    15,290,630.34x = 182,992,178,903,790.31
  5. Step 5: Solve for x
    x = 182,992,178,903,790.31/15,290,630.34
  6. Step 6: Final answer
    x = 11,967,602.04

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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.