Home / 30,647,631.56-42,294,025.14-16,897,088.84

Finding the Fourth Proportional to 30,647,631.56, 42,294,025.14 and 16,897,088.84

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Solution

The fourth proportional to 30,647,631.56, 42,294,025.14 and 16,897,088.84 is: 23,318,144.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,647,631.56 : 42,294,025.14 = 16,897,088.84 : x
  2. Step 2: Convert to fraction form
    30,647,631.56/42,294,025.14 = 16,897,088.84/x
  3. Step 3: Cross multiply
    30,647,631.56x = 42,294,025.14 × 16,897,088.84
  4. Step 4: Simplify right side
    30,647,631.56x = 714,645,900,191,773.50
  5. Step 5: Solve for x
    x = 714,645,900,191,773.50/30,647,631.56
  6. Step 6: Final answer
    x = 23,318,144.46

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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.