Home / 12,303,663.39-16,979,541.19-7,076,663.23

Finding the Fourth Proportional to 12,303,663.39, 16,979,541.19 and 7,076,663.23

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Solution

The fourth proportional to 12,303,663.39, 16,979,541.19 and 7,076,663.23 is: 9,766,074.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303,663.39 : 16,979,541.19 = 7,076,663.23 : x
  2. Step 2: Convert to fraction form
    12,303,663.39/16,979,541.19 = 7,076,663.23/x
  3. Step 3: Cross multiply
    12,303,663.39x = 16,979,541.19 × 7,076,663.23
  4. Step 4: Simplify right side
    12,303,663.39x = 120,158,494,801,543.45
  5. Step 5: Solve for x
    x = 120,158,494,801,543.45/12,303,663.39
  6. Step 6: Final answer
    x = 9,766,074.62

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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.