Home / 13,417,774.22-18,516,023.16-8,199,507.98

Finding the Fourth Proportional to 13,417,774.22, 18,516,023.16 and 8,199,507.98

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Solution

The fourth proportional to 13,417,774.22, 18,516,023.16 and 8,199,507.98 is: 11,315,012.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417,774.22 : 18,516,023.16 = 8,199,507.98 : x
  2. Step 2: Convert to fraction form
    13,417,774.22/18,516,023.16 = 8,199,507.98/x
  3. Step 3: Cross multiply
    13,417,774.22x = 18,516,023.16 × 8,199,507.98
  4. Step 4: Simplify right side
    13,417,774.22x = 151,822,279,658,284.81
  5. Step 5: Solve for x
    x = 151,822,279,658,284.81/13,417,774.22
  6. Step 6: Final answer
    x = 11,315,012.25

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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.