Home / 10,369,548.40-15,554,322.60-9,109,836.40

Finding the Fourth Proportional to 10,369,548.40, 15,554,322.60 and 9,109,836.40

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Solution

The fourth proportional to 10,369,548.40, 15,554,322.60 and 9,109,836.40 is: 13,664,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,548.40 : 15,554,322.60 = 9,109,836.40 : x
  2. Step 2: Convert to fraction form
    10,369,548.40/15,554,322.60 = 9,109,836.40/x
  3. Step 3: Cross multiply
    10,369,548.40x = 15,554,322.60 × 9,109,836.40
  4. Step 4: Simplify right side
    10,369,548.40x = 141,697,334,198,822.66
  5. Step 5: Solve for x
    x = 141,697,334,198,822.66/10,369,548.40
  6. Step 6: Final answer
    x = 13,664,754.60

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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.