Home / 14,579,288.50-20,119,368.30-8,384,042.72

Finding the Fourth Proportional to 14,579,288.50, 20,119,368.30 and 8,384,042.72

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Solution

The fourth proportional to 14,579,288.50, 20,119,368.30 and 8,384,042.72 is: 11,569,950.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,579,288.50 : 20,119,368.30 = 8,384,042.72 : x
  2. Step 2: Convert to fraction form
    14,579,288.50/20,119,368.30 = 8,384,042.72/x
  3. Step 3: Cross multiply
    14,579,288.50x = 20,119,368.30 × 8,384,042.72
  4. Step 4: Simplify right side
    14,579,288.50x = 168,681,643,326,613.78
  5. Step 5: Solve for x
    x = 168,681,643,326,613.78/14,579,288.50
  6. Step 6: Final answer
    x = 11,569,950.30

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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.