Home / 10,121,168.55-15,185,252.03-9,771,248.55

Finding the Fourth Proportional to 10,121,168.55, 15,185,252.03 and 9,771,248.55

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Solution

The fourth proportional to 10,121,168.55, 15,185,252.03 and 9,771,248.55 is: 14,660,251.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121,168.55 : 15,185,252.03 = 9,771,248.55 : x
  2. Step 2: Convert to fraction form
    10,121,168.55/15,185,252.03 = 9,771,248.55/x
  3. Step 3: Cross multiply
    10,121,168.55x = 15,185,252.03 × 9,771,248.55
  4. Step 4: Simplify right side
    10,121,168.55x = 148,378,871,830,665.84
  5. Step 5: Solve for x
    x = 148,378,871,830,665.84/10,121,168.55
  6. Step 6: Final answer
    x = 14,660,251.05

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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.