Home / 13,365,968.80-18,445,052.88-7,254,398.56

Finding the Fourth Proportional to 13,365,968.80, 18,445,052.88 and 7,254,398.56

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Solution

The fourth proportional to 13,365,968.80, 18,445,052.88 and 7,254,398.56 is: 10,011,078.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365,968.80 : 18,445,052.88 = 7,254,398.56 : x
  2. Step 2: Convert to fraction form
    13,365,968.80/18,445,052.88 = 7,254,398.56/x
  3. Step 3: Cross multiply
    13,365,968.80x = 18,445,052.88 × 7,254,398.56
  4. Step 4: Simplify right side
    13,365,968.80x = 133,807,765,051,795.84
  5. Step 5: Solve for x
    x = 133,807,765,051,795.84/13,365,968.80
  6. Step 6: Final answer
    x = 10,011,078.66

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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.