Home / 54,807,439.79-82,218,715.77-18,418,649.27

Finding the Fourth Proportional to 54,807,439.79, 82,218,715.77 and 18,418,649.27

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Solution

The fourth proportional to 54,807,439.79, 82,218,715.77 and 18,418,649.27 is: 27,630,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,807,439.79 : 82,218,715.77 = 18,418,649.27 : x
  2. Step 2: Convert to fraction form
    54,807,439.79/82,218,715.77 = 18,418,649.27/x
  3. Step 3: Cross multiply
    54,807,439.79x = 82,218,715.77 × 18,418,649.27
  4. Step 4: Simplify right side
    54,807,439.79x = 1,514,357,688,855,424.50
  5. Step 5: Solve for x
    x = 1,514,357,688,855,424.50/54,807,439.79
  6. Step 6: Final answer
    x = 27,630,513.20

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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.