Home / 10,953,378.90-15,110,633.97-7,087,160.34

Finding the Fourth Proportional to 10,953,378.90, 15,110,633.97 and 7,087,160.34

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Solution

The fourth proportional to 10,953,378.90, 15,110,633.97 and 7,087,160.34 is: 9,777,027.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,953,378.90 : 15,110,633.97 = 7,087,160.34 : x
  2. Step 2: Convert to fraction form
    10,953,378.90/15,110,633.97 = 7,087,160.34/x
  3. Step 3: Cross multiply
    10,953,378.90x = 15,110,633.97 × 7,087,160.34
  4. Step 4: Simplify right side
    10,953,378.90x = 107,091,485,784,440.75
  5. Step 5: Solve for x
    x = 107,091,485,784,440.75/10,953,378.90
  6. Step 6: Final answer
    x = 9,777,027.41

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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.