Home / 31,593,243-47,389,864.50-7,658,715

Finding the Fourth Proportional to 31,593,243, 47,389,864.50 and 7,658,715

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Solution

The fourth proportional to 31,593,243, 47,389,864.50 and 7,658,715 is: 11,488,072.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,593,243 : 47,389,864.50 = 7,658,715 : x
  2. Step 2: Convert to fraction form
    31,593,243/47,389,864.50 = 7,658,715/x
  3. Step 3: Cross multiply
    31,593,243x = 47,389,864.50 × 7,658,715
  4. Step 4: Simplify right side
    31,593,243x = 362,945,466,094,117.50
  5. Step 5: Solve for x
    x = 362,945,466,094,117.50/31,593,243
  6. Step 6: Final answer
    x = 11,488,072.50

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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.