Home / 16,788,779.80-25,183,169.70-13,429,547.80

Finding the Fourth Proportional to 16,788,779.80, 25,183,169.70 and 13,429,547.80

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Solution

The fourth proportional to 16,788,779.80, 25,183,169.70 and 13,429,547.80 is: 20,144,321.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,788,779.80 : 25,183,169.70 = 13,429,547.80 : x
  2. Step 2: Convert to fraction form
    16,788,779.80/25,183,169.70 = 13,429,547.80/x
  3. Step 3: Cross multiply
    16,788,779.80x = 25,183,169.70 × 13,429,547.80
  4. Step 4: Simplify right side
    16,788,779.80x = 338,198,581,241,661.69
  5. Step 5: Solve for x
    x = 338,198,581,241,661.69/16,788,779.80
  6. Step 6: Final answer
    x = 20,144,321.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.