Home / 20,067,703.96-27,695,728.76-11,249,536.92

Finding the Fourth Proportional to 20,067,703.96, 27,695,728.76 and 11,249,536.92

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Solution

The fourth proportional to 20,067,703.96, 27,695,728.76 and 11,249,536.92 is: 15,525,648.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067,703.96 : 27,695,728.76 = 11,249,536.92 : x
  2. Step 2: Convert to fraction form
    20,067,703.96/27,695,728.76 = 11,249,536.92/x
  3. Step 3: Cross multiply
    20,067,703.96x = 27,695,728.76 × 11,249,536.92
  4. Step 4: Simplify right side
    20,067,703.96x = 311,564,123,211,925.81
  5. Step 5: Solve for x
    x = 311,564,123,211,925.81/20,067,703.96
  6. Step 6: Final answer
    x = 15,525,648.77

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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.