Home / 30,588,638.89-42,213,436.32-16,649,320.54

Finding the Fourth Proportional to 30,588,638.89, 42,213,436.32 and 16,649,320.54

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Solution

The fourth proportional to 30,588,638.89, 42,213,436.32 and 16,649,320.54 is: 22,976,669.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,588,638.89 : 42,213,436.32 = 16,649,320.54 : x
  2. Step 2: Convert to fraction form
    30,588,638.89/42,213,436.32 = 16,649,320.54/x
  3. Step 3: Cross multiply
    30,588,638.89x = 42,213,436.32 × 16,649,320.54
  4. Step 4: Simplify right side
    30,588,638.89x = 702,825,032,386,558
  5. Step 5: Solve for x
    x = 702,825,032,386,558/30,588,638.89
  6. Step 6: Final answer
    x = 22,976,669.05

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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.