Home / 31,626,985.76-47,431,172.20-14,345,188.64

Finding the Fourth Proportional to 31,626,985.76, 47,431,172.20 and 14,345,188.64

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Solution

The fourth proportional to 31,626,985.76, 47,431,172.20 and 14,345,188.64 is: 21,513,561.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,626,985.76 : 47,431,172.20 = 14,345,188.64 : x
  2. Step 2: Convert to fraction form
    31,626,985.76/47,431,172.20 = 14,345,188.64/x
  3. Step 3: Cross multiply
    31,626,985.76x = 47,431,172.20 × 14,345,188.64
  4. Step 4: Simplify right side
    31,626,985.76x = 680,409,112,625,323.88
  5. Step 5: Solve for x
    x = 680,409,112,625,323.88/31,626,985.76
  6. Step 6: Final answer
    x = 21,513,561.80

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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.