Home / 32,880,221.50-45,397,032.88-20,495,269.66

Finding the Fourth Proportional to 32,880,221.50, 45,397,032.88 and 20,495,269.66

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Solution

The fourth proportional to 32,880,221.50, 45,397,032.88 and 20,495,269.66 is: 28,297,389.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,880,221.50 : 45,397,032.88 = 20,495,269.66 : x
  2. Step 2: Convert to fraction form
    32,880,221.50/45,397,032.88 = 20,495,269.66/x
  3. Step 3: Cross multiply
    32,880,221.50x = 45,397,032.88 × 20,495,269.66
  4. Step 4: Simplify right side
    32,880,221.50x = 930,424,430,639,486.50
  5. Step 5: Solve for x
    x = 930,424,430,639,486.50/32,880,221.50
  6. Step 6: Final answer
    x = 28,297,389.38

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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.