Home / 15,322,386.72-21,145,128.12-8,353,068.96

Finding the Fourth Proportional to 15,322,386.72, 21,145,128.12 and 8,353,068.96

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Solution

The fourth proportional to 15,322,386.72, 21,145,128.12 and 8,353,068.96 is: 11,527,362.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,322,386.72 : 21,145,128.12 = 8,353,068.96 : x
  2. Step 2: Convert to fraction form
    15,322,386.72/21,145,128.12 = 8,353,068.96/x
  3. Step 3: Cross multiply
    15,322,386.72x = 21,145,128.12 × 8,353,068.96
  4. Step 4: Simplify right side
    15,322,386.72x = 176,626,713,354,395.16
  5. Step 5: Solve for x
    x = 176,626,713,354,395.16/15,322,386.72
  6. Step 6: Final answer
    x = 11,527,362.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.