Home / 13,550,814.74-18,700,175.06-7,355,873.59

Finding the Fourth Proportional to 13,550,814.74, 18,700,175.06 and 7,355,873.59

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Solution

The fourth proportional to 13,550,814.74, 18,700,175.06 and 7,355,873.59 is: 10,151,133.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550,814.74 : 18,700,175.06 = 7,355,873.59 : x
  2. Step 2: Convert to fraction form
    13,550,814.74/18,700,175.06 = 7,355,873.59/x
  3. Step 3: Cross multiply
    13,550,814.74x = 18,700,175.06 × 7,355,873.59
  4. Step 4: Simplify right side
    13,550,814.74x = 137,556,123,823,869.92
  5. Step 5: Solve for x
    x = 137,556,123,823,869.92/13,550,814.74
  6. Step 6: Final answer
    x = 10,151,133.08

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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.