Home / 12,217,917.54-16,859,742.93-7,061,613.06

Finding the Fourth Proportional to 12,217,917.54, 16,859,742.93 and 7,061,613.06

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Solution

The fourth proportional to 12,217,917.54, 16,859,742.93 and 7,061,613.06 is: 9,744,457.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217,917.54 : 16,859,742.93 = 7,061,613.06 : x
  2. Step 2: Convert to fraction form
    12,217,917.54/16,859,742.93 = 7,061,613.06/x
  3. Step 3: Cross multiply
    12,217,917.54x = 16,859,742.93 × 7,061,613.06
  4. Step 4: Simplify right side
    12,217,917.54x = 119,056,980,862,730.66
  5. Step 5: Solve for x
    x = 119,056,980,862,730.66/12,217,917.54
  6. Step 6: Final answer
    x = 9,744,457.72

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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.