Home / 12,021,339.68-16,589,462.94-6,514,714.50

Finding the Fourth Proportional to 12,021,339.68, 16,589,462.94 and 6,514,714.50

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Solution

The fourth proportional to 12,021,339.68, 16,589,462.94 and 6,514,714.50 is: 8,990,313.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,021,339.68 : 16,589,462.94 = 6,514,714.50 : x
  2. Step 2: Convert to fraction form
    12,021,339.68/16,589,462.94 = 6,514,714.50/x
  3. Step 3: Cross multiply
    12,021,339.68x = 16,589,462.94 × 6,514,714.50
  4. Step 4: Simplify right side
    12,021,339.68x = 108,075,614,762,430.62
  5. Step 5: Solve for x
    x = 108,075,614,762,430.62/12,021,339.68
  6. Step 6: Final answer
    x = 8,990,313.70

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1.5x scale

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.