Home / 15,277,644.96-21,082,729.32-8,402,129.52

Finding the Fourth Proportional to 15,277,644.96, 21,082,729.32 and 8,402,129.52

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Solution

The fourth proportional to 15,277,644.96, 21,082,729.32 and 8,402,129.52 is: 11,594,707.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,277,644.96 : 21,082,729.32 = 8,402,129.52 : x
  2. Step 2: Convert to fraction form
    15,277,644.96/21,082,729.32 = 8,402,129.52/x
  3. Step 3: Cross multiply
    15,277,644.96x = 21,082,729.32 × 8,402,129.52
  4. Step 4: Simplify right side
    15,277,644.96x = 177,139,822,381,741.53
  5. Step 5: Solve for x
    x = 177,139,822,381,741.53/15,277,644.96
  6. Step 6: Final answer
    x = 11,594,707.35

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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.