Home / 30,734,970.50-42,415,114.85-16,984,820.36

Finding the Fourth Proportional to 30,734,970.50, 42,415,114.85 and 16,984,820.36

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Solution

The fourth proportional to 30,734,970.50, 42,415,114.85 and 16,984,820.36 is: 23,439,524.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,734,970.50 : 42,415,114.85 = 16,984,820.36 : x
  2. Step 2: Convert to fraction form
    30,734,970.50/42,415,114.85 = 16,984,820.36/x
  3. Step 3: Cross multiply
    30,734,970.50x = 42,415,114.85 × 16,984,820.36
  4. Step 4: Simplify right side
    30,734,970.50x = 720,413,105,979,018.62
  5. Step 5: Solve for x
    x = 720,413,105,979,018.62/30,734,970.50
  6. Step 6: Final answer
    x = 23,439,524.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.