Home / 19,876,009.60-29,814,014.40-6,412,837.60

Finding the Fourth Proportional to 19,876,009.60, 29,814,014.40 and 6,412,837.60

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Solution

The fourth proportional to 19,876,009.60, 29,814,014.40 and 6,412,837.60 is: 9,619,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,876,009.60 : 29,814,014.40 = 6,412,837.60 : x
  2. Step 2: Convert to fraction form
    19,876,009.60/29,814,014.40 = 6,412,837.60/x
  3. Step 3: Cross multiply
    19,876,009.60x = 29,814,014.40 × 6,412,837.60
  4. Step 4: Simplify right side
    19,876,009.60x = 191,192,432,551,261.41
  5. Step 5: Solve for x
    x = 191,192,432,551,261.41/19,876,009.60
  6. Step 6: Final answer
    x = 9,619,256.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.