Home / 13,870,733.76-19,142,356.32-7,758,797.76

Finding the Fourth Proportional to 13,870,733.76, 19,142,356.32 and 7,758,797.76

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Solution

The fourth proportional to 13,870,733.76, 19,142,356.32 and 7,758,797.76 is: 10,707,556.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,870,733.76 : 19,142,356.32 = 7,758,797.76 : x
  2. Step 2: Convert to fraction form
    13,870,733.76/19,142,356.32 = 7,758,797.76/x
  3. Step 3: Cross multiply
    13,870,733.76x = 19,142,356.32 × 7,758,797.76
  4. Step 4: Simplify right side
    13,870,733.76x = 148,521,671,336,737.84
  5. Step 5: Solve for x
    x = 148,521,671,336,737.84/13,870,733.76
  6. Step 6: Final answer
    x = 10,707,556.93

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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.