Home / 10,554,549.89-14,557,770.36-9,686,188.76

Finding the Fourth Proportional to 10,554,549.89, 14,557,770.36 and 9,686,188.76

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Solution

The fourth proportional to 10,554,549.89, 14,557,770.36 and 9,686,188.76 is: 13,360,049.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554,549.89 : 14,557,770.36 = 9,686,188.76 : x
  2. Step 2: Convert to fraction form
    10,554,549.89/14,557,770.36 = 9,686,188.76/x
  3. Step 3: Cross multiply
    10,554,549.89x = 14,557,770.36 × 9,686,188.76
  4. Step 4: Simplify right side
    10,554,549.89x = 141,009,311,558,904.31
  5. Step 5: Solve for x
    x = 141,009,311,558,904.31/10,554,549.89
  6. Step 6: Final answer
    x = 13,360,049.75

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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.