Home / 13,076,505.48-18,045,123.51-7,195,589.58

Finding the Fourth Proportional to 13,076,505.48, 18,045,123.51 and 7,195,589.58

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Solution

The fourth proportional to 13,076,505.48, 18,045,123.51 and 7,195,589.58 is: 9,929,663.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076,505.48 : 18,045,123.51 = 7,195,589.58 : x
  2. Step 2: Convert to fraction form
    13,076,505.48/18,045,123.51 = 7,195,589.58/x
  3. Step 3: Cross multiply
    13,076,505.48x = 18,045,123.51 × 7,195,589.58
  4. Step 4: Simplify right side
    13,076,505.48x = 129,845,302,698,369.03
  5. Step 5: Solve for x
    x = 129,845,302,698,369.03/13,076,505.48
  6. Step 6: Final answer
    x = 9,929,663.77

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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.