Home / 13,334,714.56-18,401,529.60-7,828,001.44

Finding the Fourth Proportional to 13,334,714.56, 18,401,529.60 and 7,828,001.44

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Solution

The fourth proportional to 13,334,714.56, 18,401,529.60 and 7,828,001.44 is: 10,802,420.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334,714.56 : 18,401,529.60 = 7,828,001.44 : x
  2. Step 2: Convert to fraction form
    13,334,714.56/18,401,529.60 = 7,828,001.44/x
  3. Step 3: Cross multiply
    13,334,714.56x = 18,401,529.60 × 7,828,001.44
  4. Step 4: Simplify right side
    13,334,714.56x = 144,047,200,207,002.66
  5. Step 5: Solve for x
    x = 144,047,200,207,002.66/13,334,714.56
  6. Step 6: Final answer
    x = 10,802,420.97

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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.