Home / 12,456,245.48-18,684,368.21-9,227,741.40

Finding the Fourth Proportional to 12,456,245.48, 18,684,368.21 and 9,227,741.40

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Solution

The fourth proportional to 12,456,245.48, 18,684,368.21 and 9,227,741.40 is: 13,841,612.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,245.48 : 18,684,368.21 = 9,227,741.40 : x
  2. Step 2: Convert to fraction form
    12,456,245.48/18,684,368.21 = 9,227,741.40/x
  3. Step 3: Cross multiply
    12,456,245.48x = 18,684,368.21 × 9,227,741.40
  4. Step 4: Simplify right side
    12,456,245.48x = 172,414,518,087,330.25
  5. Step 5: Solve for x
    x = 172,414,518,087,330.25/12,456,245.48
  6. Step 6: Final answer
    x = 13,841,612.10

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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.