Home / 14,121,155.73-19,486,125.47-7,925,005.77

Finding the Fourth Proportional to 14,121,155.73, 19,486,125.47 and 7,925,005.77

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Solution

The fourth proportional to 14,121,155.73, 19,486,125.47 and 7,925,005.77 is: 10,935,907.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121,155.73 : 19,486,125.47 = 7,925,005.77 : x
  2. Step 2: Convert to fraction form
    14,121,155.73/19,486,125.47 = 7,925,005.77/x
  3. Step 3: Cross multiply
    14,121,155.73x = 19,486,125.47 × 7,925,005.77
  4. Step 4: Simplify right side
    14,121,155.73x = 154,427,656,745,068.94
  5. Step 5: Solve for x
    x = 154,427,656,745,068.94/14,121,155.73
  6. Step 6: Final answer
    x = 10,935,907.78

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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.