Home / 11,018,687.20-16,528,030.80-9,255,090.40

Finding the Fourth Proportional to 11,018,687.20, 16,528,030.80 and 9,255,090.40

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Solution

The fourth proportional to 11,018,687.20, 16,528,030.80 and 9,255,090.40 is: 13,882,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018,687.20 : 16,528,030.80 = 9,255,090.40 : x
  2. Step 2: Convert to fraction form
    11,018,687.20/16,528,030.80 = 9,255,090.40/x
  3. Step 3: Cross multiply
    11,018,687.20x = 16,528,030.80 × 9,255,090.40
  4. Step 4: Simplify right side
    11,018,687.20x = 152,968,419,187,984.34
  5. Step 5: Solve for x
    x = 152,968,419,187,984.34/11,018,687.20
  6. Step 6: Final answer
    x = 13,882,635.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.