Home / 20,871,130.55-31,306,936.80-6,298,176.24

Finding the Fourth Proportional to 20,871,130.55, 31,306,936.80 and 6,298,176.24

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Solution

The fourth proportional to 20,871,130.55, 31,306,936.80 and 6,298,176.24 is: 9,447,337.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,871,130.55 : 31,306,936.80 = 6,298,176.24 : x
  2. Step 2: Convert to fraction form
    20,871,130.55/31,306,936.80 = 6,298,176.24/x
  3. Step 3: Cross multiply
    20,871,130.55x = 31,306,936.80 × 6,298,176.24
  4. Step 4: Simplify right side
    20,871,130.55x = 197,176,605,500,941.66
  5. Step 5: Solve for x
    x = 197,176,605,500,941.66/20,871,130.55
  6. Step 6: Final answer
    x = 9,447,337.08

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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.