Home / 22,737,818.39-31,378,269.60-12,424,541.49

Finding the Fourth Proportional to 22,737,818.39, 31,378,269.60 and 12,424,541.49

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Solution

The fourth proportional to 22,737,818.39, 31,378,269.60 and 12,424,541.49 is: 17,145,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,737,818.39 : 31,378,269.60 = 12,424,541.49 : x
  2. Step 2: Convert to fraction form
    22,737,818.39/31,378,269.60 = 12,424,541.49/x
  3. Step 3: Cross multiply
    22,737,818.39x = 31,378,269.60 × 12,424,541.49
  4. Step 4: Simplify right side
    22,737,818.39x = 389,860,612,529,605.75
  5. Step 5: Solve for x
    x = 389,860,612,529,605.75/22,737,818.39
  6. Step 6: Final answer
    x = 17,145,911.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.