Home / 14,123,869.94-19,489,864.24-7,927,719.40

Finding the Fourth Proportional to 14,123,869.94, 19,489,864.24 and 7,927,719.40

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Solution

The fourth proportional to 14,123,869.94, 19,489,864.24 and 7,927,719.40 is: 10,939,648.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123,869.94 : 19,489,864.24 = 7,927,719.40 : x
  2. Step 2: Convert to fraction form
    14,123,869.94/19,489,864.24 = 7,927,719.40/x
  3. Step 3: Cross multiply
    14,123,869.94x = 19,489,864.24 × 7,927,719.40
  4. Step 4: Simplify right side
    14,123,869.94x = 154,510,174,886,090.69
  5. Step 5: Solve for x
    x = 154,510,174,886,090.69/14,123,869.94
  6. Step 6: Final answer
    x = 10,939,648.66

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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.