Home / 15,404,886.64-21,259,407.86-8,529,368.70

Finding the Fourth Proportional to 15,404,886.64, 21,259,407.86 and 8,529,368.70

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Solution

The fourth proportional to 15,404,886.64, 21,259,407.86 and 8,529,368.70 is: 11,770,896.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404,886.64 : 21,259,407.86 = 8,529,368.70 : x
  2. Step 2: Convert to fraction form
    15,404,886.64/21,259,407.86 = 8,529,368.70/x
  3. Step 3: Cross multiply
    15,404,886.64x = 21,259,407.86 × 8,529,368.70
  4. Step 4: Simplify right side
    15,404,886.64x = 181,329,328,050,679.03
  5. Step 5: Solve for x
    x = 181,329,328,050,679.03/15,404,886.64
  6. Step 6: Final answer
    x = 11,770,896.62

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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.