Home / 31,759,612.89-47,641,696.34-13,296,978.89

Finding the Fourth Proportional to 31,759,612.89, 47,641,696.34 and 13,296,978.89

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Solution

The fourth proportional to 31,759,612.89, 47,641,696.34 and 13,296,978.89 is: 19,946,421.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,759,612.89 : 47,641,696.34 = 13,296,978.89 : x
  2. Step 2: Convert to fraction form
    31,759,612.89/47,641,696.34 = 13,296,978.89/x
  3. Step 3: Cross multiply
    31,759,612.89x = 47,641,696.34 × 13,296,978.89
  4. Step 4: Simplify right side
    31,759,612.89x = 633,490,630,516,770.38
  5. Step 5: Solve for x
    x = 633,490,630,516,770.38/31,759,612.89
  6. Step 6: Final answer
    x = 19,946,421.66

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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.