Home / 14,250,935.40-21,376,403.10-12,807,709.80

Finding the Fourth Proportional to 14,250,935.40, 21,376,403.10 and 12,807,709.80

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Solution

The fourth proportional to 14,250,935.40, 21,376,403.10 and 12,807,709.80 is: 19,211,564.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250,935.40 : 21,376,403.10 = 12,807,709.80 : x
  2. Step 2: Convert to fraction form
    14,250,935.40/21,376,403.10 = 12,807,709.80/x
  3. Step 3: Cross multiply
    14,250,935.40x = 21,376,403.10 × 12,807,709.80
  4. Step 4: Simplify right side
    14,250,935.40x = 273,782,767,472,620.41
  5. Step 5: Solve for x
    x = 273,782,767,472,620.41/14,250,935.40
  6. Step 6: Final answer
    x = 19,211,564.70

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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.