Home / 15,404,557.60-21,258,953.76-8,529,039.64

Finding the Fourth Proportional to 15,404,557.60, 21,258,953.76 and 8,529,039.64

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Solution

The fourth proportional to 15,404,557.60, 21,258,953.76 and 8,529,039.64 is: 11,770,442.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404,557.60 : 21,258,953.76 = 8,529,039.64 : x
  2. Step 2: Convert to fraction form
    15,404,557.60/21,258,953.76 = 8,529,039.64/x
  3. Step 3: Cross multiply
    15,404,557.60x = 21,258,953.76 × 8,529,039.64
  4. Step 4: Simplify right side
    15,404,557.60x = 181,318,459,323,967.06
  5. Step 5: Solve for x
    x = 181,318,459,323,967.06/15,404,557.60
  6. Step 6: Final answer
    x = 11,770,442.49

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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.