Home / 12,384,886.28-18,549,045.66-5,912,514.44

Finding the Fourth Proportional to 12,384,886.28, 18,549,045.66 and 5,912,514.44

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Solution

The fourth proportional to 12,384,886.28, 18,549,045.66 and 5,912,514.44 is: 8,855,269.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384,886.28 : 18,549,045.66 = 5,912,514.44 : x
  2. Step 2: Convert to fraction form
    12,384,886.28/18,549,045.66 = 5,912,514.44/x
  3. Step 3: Cross multiply
    12,384,886.28x = 18,549,045.66 × 5,912,514.44
  4. Step 4: Simplify right side
    12,384,886.28x = 109,671,500,312,969.34
  5. Step 5: Solve for x
    x = 109,671,500,312,969.34/12,384,886.28
  6. Step 6: Final answer
    x = 8,855,269.06

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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.