Home / 14,137,454.76-19,509,765.78-7,942,762.68

Finding the Fourth Proportional to 14,137,454.76, 19,509,765.78 and 7,942,762.68

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Solution

The fourth proportional to 14,137,454.76, 19,509,765.78 and 7,942,762.68 is: 10,961,056.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137,454.76 : 19,509,765.78 = 7,942,762.68 : x
  2. Step 2: Convert to fraction form
    14,137,454.76/19,509,765.78 = 7,942,762.68/x
  3. Step 3: Cross multiply
    14,137,454.76x = 19,509,765.78 × 7,942,762.68
  4. Step 4: Simplify right side
    14,137,454.76x = 154,961,439,532,925.09
  5. Step 5: Solve for x
    x = 154,961,439,532,925.09/14,137,454.76
  6. Step 6: Final answer
    x = 10,961,056.44

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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.