Home / 13,770,021.60-20,636,136.54-8,712,277.92

Finding the Fourth Proportional to 13,770,021.60, 20,636,136.54 and 8,712,277.92

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Solution

The fourth proportional to 13,770,021.60, 20,636,136.54 and 8,712,277.92 is: 13,056,461.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770,021.60 : 20,636,136.54 = 8,712,277.92 : x
  2. Step 2: Convert to fraction form
    13,770,021.60/20,636,136.54 = 8,712,277.92/x
  3. Step 3: Cross multiply
    13,770,021.60x = 20,636,136.54 × 8,712,277.92
  4. Step 4: Simplify right side
    13,770,021.60x = 179,787,756,731,547.19
  5. Step 5: Solve for x
    x = 179,787,756,731,547.19/13,770,021.60
  6. Step 6: Final answer
    x = 13,056,461.49

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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.