Home / 13,076,243.52-18,045,382.04-7,196,554.68

Finding the Fourth Proportional to 13,076,243.52, 18,045,382.04 and 7,196,554.68

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Solution

The fourth proportional to 13,076,243.52, 18,045,382.04 and 7,196,554.68 is: 9,931,336.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076,243.52 : 18,045,382.04 = 7,196,554.68 : x
  2. Step 2: Convert to fraction form
    13,076,243.52/18,045,382.04 = 7,196,554.68/x
  3. Step 3: Cross multiply
    13,076,243.52x = 18,045,382.04 × 7,196,554.68
  4. Step 4: Simplify right side
    13,076,243.52x = 129,864,578,572,349.94
  5. Step 5: Solve for x
    x = 129,864,578,572,349.94/13,076,243.52
  6. Step 6: Final answer
    x = 9,931,336.81

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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.