Home / 31,905,370.70-47,859,040.44-12,473,821.02

Finding the Fourth Proportional to 31,905,370.70, 47,859,040.44 and 12,473,821.02

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Solution

The fourth proportional to 31,905,370.70, 47,859,040.44 and 12,473,821.02 is: 18,711,116.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,905,370.70 : 47,859,040.44 = 12,473,821.02 : x
  2. Step 2: Convert to fraction form
    31,905,370.70/47,859,040.44 = 12,473,821.02/x
  3. Step 3: Cross multiply
    31,905,370.70x = 47,859,040.44 × 12,473,821.02
  4. Step 4: Simplify right side
    31,905,370.70x = 596,985,104,637,502
  5. Step 5: Solve for x
    x = 596,985,104,637,502/31,905,370.70
  6. Step 6: Final answer
    x = 18,711,116.39

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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.