Home / 13,076,238.38-18,045,374.96-7,196,549.54

Finding the Fourth Proportional to 13,076,238.38, 18,045,374.96 and 7,196,549.54

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Solution

The fourth proportional to 13,076,238.38, 18,045,374.96 and 7,196,549.54 is: 9,931,329.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076,238.38 : 18,045,374.96 = 7,196,549.54 : x
  2. Step 2: Convert to fraction form
    13,076,238.38/18,045,374.96 = 7,196,549.54/x
  3. Step 3: Cross multiply
    13,076,238.38x = 18,045,374.96 × 7,196,549.54
  4. Step 4: Simplify right side
    13,076,238.38x = 129,864,434,795,280.02
  5. Step 5: Solve for x
    x = 129,864,434,795,280.02/13,076,238.38
  6. Step 6: Final answer
    x = 9,931,329.72

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1.5x scale

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.