Home / 31,905,369.95-47,859,039.32-12,473,820.27

Finding the Fourth Proportional to 31,905,369.95, 47,859,039.32 and 12,473,820.27

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Solution

The fourth proportional to 31,905,369.95, 47,859,039.32 and 12,473,820.27 is: 18,711,115.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,905,369.95 : 47,859,039.32 = 12,473,820.27 : x
  2. Step 2: Convert to fraction form
    31,905,369.95/47,859,039.32 = 12,473,820.27/x
  3. Step 3: Cross multiply
    31,905,369.95x = 47,859,039.32 × 12,473,820.27
  4. Step 4: Simplify right side
    31,905,369.95x = 596,985,054,710,173.88
  5. Step 5: Solve for x
    x = 596,985,054,710,173.88/31,905,369.95
  6. Step 6: Final answer
    x = 18,711,115.27

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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.