Home / 13,365,968.30-18,445,052.19-7,254,398.06

Finding the Fourth Proportional to 13,365,968.30, 18,445,052.19 and 7,254,398.06

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Solution

The fourth proportional to 13,365,968.30, 18,445,052.19 and 7,254,398.06 is: 10,011,077.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365,968.30 : 18,445,052.19 = 7,254,398.06 : x
  2. Step 2: Convert to fraction form
    13,365,968.30/18,445,052.19 = 7,254,398.06/x
  3. Step 3: Cross multiply
    13,365,968.30x = 18,445,052.19 × 7,254,398.06
  4. Step 4: Simplify right side
    13,365,968.30x = 133,807,750,823,734.75
  5. Step 5: Solve for x
    x = 133,807,750,823,734.75/13,365,968.30
  6. Step 6: Final answer
    x = 10,011,077.97

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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.