Home / 31,590,410.50-47,385,615.75-7,655,882.50

Finding the Fourth Proportional to 31,590,410.50, 47,385,615.75 and 7,655,882.50

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Solution

The fourth proportional to 31,590,410.50, 47,385,615.75 and 7,655,882.50 is: 11,483,823.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,590,410.50 : 47,385,615.75 = 7,655,882.50 : x
  2. Step 2: Convert to fraction form
    31,590,410.50/47,385,615.75 = 7,655,882.50/x
  3. Step 3: Cross multiply
    31,590,410.50x = 47,385,615.75 × 7,655,882.50
  4. Step 4: Simplify right side
    31,590,410.50x = 362,778,706,372,149.38
  5. Step 5: Solve for x
    x = 362,778,706,372,149.38/31,590,410.50
  6. Step 6: Final answer
    x = 11,483,823.75

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1.5x scale

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.