Home / 31,592,156.25-47,390,007.05-8,871,282.03

Finding the Fourth Proportional to 31,592,156.25, 47,390,007.05 and 8,871,282.03

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Solution

The fourth proportional to 31,592,156.25, 47,390,007.05 and 8,871,282.03 is: 13,307,420.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,592,156.25 : 47,390,007.05 = 8,871,282.03 : x
  2. Step 2: Convert to fraction form
    31,592,156.25/47,390,007.05 = 8,871,282.03/x
  3. Step 3: Cross multiply
    31,592,156.25x = 47,390,007.05 × 8,871,282.03
  4. Step 4: Simplify right side
    31,592,156.25x = 420,410,117,899,881.88
  5. Step 5: Solve for x
    x = 420,410,117,899,881.88/31,592,156.25
  6. Step 6: Final answer
    x = 13,307,420.82

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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.