Home / 12,583,784.61-18,783,810.54-10,798,142.85

Finding the Fourth Proportional to 12,583,784.61, 18,783,810.54 and 10,798,142.85

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Solution

The fourth proportional to 12,583,784.61, 18,783,810.54 and 10,798,142.85 is: 16,118,383.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,583,784.61 : 18,783,810.54 = 10,798,142.85 : x
  2. Step 2: Convert to fraction form
    12,583,784.61/18,783,810.54 = 10,798,142.85/x
  3. Step 3: Cross multiply
    12,583,784.61x = 18,783,810.54 × 10,798,142.85
  4. Step 4: Simplify right side
    12,583,784.61x = 202,830,269,478,255.62
  5. Step 5: Solve for x
    x = 202,830,269,478,255.62/12,583,784.61
  6. Step 6: Final answer
    x = 16,118,383.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.