Home / 12,236,215.29-16,884,653.38-7,078,613.19

Finding the Fourth Proportional to 12,236,215.29, 16,884,653.38 and 7,078,613.19

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Solution

The fourth proportional to 12,236,215.29, 16,884,653.38 and 7,078,613.19 is: 9,767,720.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236,215.29 : 16,884,653.38 = 7,078,613.19 : x
  2. Step 2: Convert to fraction form
    12,236,215.29/16,884,653.38 = 7,078,613.19/x
  3. Step 3: Cross multiply
    12,236,215.29x = 16,884,653.38 × 7,078,613.19
  4. Step 4: Simplify right side
    12,236,215.29x = 119,519,930,088,853.02
  5. Step 5: Solve for x
    x = 119,519,930,088,853.02/12,236,215.29
  6. Step 6: Final answer
    x = 9,767,720.43

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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.