Home / 14,656,977.10-21,985,465.65-12,305,514.70

Finding the Fourth Proportional to 14,656,977.10, 21,985,465.65 and 12,305,514.70

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Solution

The fourth proportional to 14,656,977.10, 21,985,465.65 and 12,305,514.70 is: 18,458,272.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,656,977.10 : 21,985,465.65 = 12,305,514.70 : x
  2. Step 2: Convert to fraction form
    14,656,977.10/21,985,465.65 = 12,305,514.70/x
  3. Step 3: Cross multiply
    14,656,977.10x = 21,985,465.65 × 12,305,514.70
  4. Step 4: Simplify right side
    14,656,977.10x = 270,542,470,742,420.03
  5. Step 5: Solve for x
    x = 270,542,470,742,420.03/14,656,977.10
  6. Step 6: Final answer
    x = 18,458,272.05

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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.