Home / 13,076,508.11-18,045,127.15-7,195,592.21

Finding the Fourth Proportional to 13,076,508.11, 18,045,127.15 and 7,195,592.21

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Solution

The fourth proportional to 13,076,508.11, 18,045,127.15 and 7,195,592.21 is: 9,929,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076,508.11 : 18,045,127.15 = 7,195,592.21 : x
  2. Step 2: Convert to fraction form
    13,076,508.11/18,045,127.15 = 7,195,592.21/x
  3. Step 3: Cross multiply
    13,076,508.11x = 18,045,127.15 × 7,195,592.21
  4. Step 4: Simplify right side
    13,076,508.11x = 129,845,376,240,784.89
  5. Step 5: Solve for x
    x = 129,845,376,240,784.89/13,076,508.11
  6. Step 6: Final answer
    x = 9,929,667.40

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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.