Home / 28,495,894.80-42,740,561.70-8,301,136.80

Finding the Fourth Proportional to 28,495,894.80, 42,740,561.70 and 8,301,136.80

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Solution

The fourth proportional to 28,495,894.80, 42,740,561.70 and 8,301,136.80 is: 12,450,749.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,495,894.80 : 42,740,561.70 = 8,301,136.80 : x
  2. Step 2: Convert to fraction form
    28,495,894.80/42,740,561.70 = 8,301,136.80/x
  3. Step 3: Cross multiply
    28,495,894.80x = 42,740,561.70 × 8,301,136.80
  4. Step 4: Simplify right side
    28,495,894.80x = 354,795,249,580,540.56
  5. Step 5: Solve for x
    x = 354,795,249,580,540.56/28,495,894.80
  6. Step 6: Final answer
    x = 12,450,749.56

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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.