Home / 30,574,780.70-42,191,932.32-16,636,193.15

Finding the Fourth Proportional to 30,574,780.70, 42,191,932.32 and 16,636,193.15

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Solution

The fourth proportional to 30,574,780.70, 42,191,932.32 and 16,636,193.15 is: 22,957,258.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,574,780.70 : 42,191,932.32 = 16,636,193.15 : x
  2. Step 2: Convert to fraction form
    30,574,780.70/42,191,932.32 = 16,636,193.15/x
  3. Step 3: Cross multiply
    30,574,780.70x = 42,191,932.32 × 16,636,193.15
  4. Step 4: Simplify right side
    30,574,780.70x = 701,913,135,447,247.62
  5. Step 5: Solve for x
    x = 701,913,135,447,247.62/30,574,780.70
  6. Step 6: Final answer
    x = 22,957,258.22

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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.