Home / 13,076,510.10-18,045,129.90-7,195,594.20

Finding the Fourth Proportional to 13,076,510.10, 18,045,129.90 and 7,195,594.20

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Solution

The fourth proportional to 13,076,510.10, 18,045,129.90 and 7,195,594.20 is: 9,929,670.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076,510.10 : 18,045,129.90 = 7,195,594.20 : x
  2. Step 2: Convert to fraction form
    13,076,510.10/18,045,129.90 = 7,195,594.20/x
  3. Step 3: Cross multiply
    13,076,510.10x = 18,045,129.90 × 7,195,594.20
  4. Step 4: Simplify right side
    13,076,510.10x = 129,845,432,046,686.58
  5. Step 5: Solve for x
    x = 129,845,432,046,686.58/13,076,510.10
  6. Step 6: Final answer
    x = 9,929,670.15

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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.