Home / 11,334,882.51-15,642,142.29-6,440,111.01

Finding the Fourth Proportional to 11,334,882.51, 15,642,142.29 and 6,440,111.01

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Solution

The fourth proportional to 11,334,882.51, 15,642,142.29 and 6,440,111.01 is: 8,887,355.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,334,882.51 : 15,642,142.29 = 6,440,111.01 : x
  2. Step 2: Convert to fraction form
    11,334,882.51/15,642,142.29 = 6,440,111.01/x
  3. Step 3: Cross multiply
    11,334,882.51x = 15,642,142.29 × 6,440,111.01
  4. Step 4: Simplify right side
    11,334,882.51x = 100,737,132,781,815.61
  5. Step 5: Solve for x
    x = 100,737,132,781,815.61/11,334,882.51
  6. Step 6: Final answer
    x = 8,887,355.71

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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.