Home / 13,698,873.36-20,530,454.40-7,633,360.08

Finding the Fourth Proportional to 13,698,873.36, 20,530,454.40 and 7,633,360.08

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Solution

The fourth proportional to 13,698,873.36, 20,530,454.40 and 7,633,360.08 is: 11,440,090.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698,873.36 : 20,530,454.40 = 7,633,360.08 : x
  2. Step 2: Convert to fraction form
    13,698,873.36/20,530,454.40 = 7,633,360.08/x
  3. Step 3: Cross multiply
    13,698,873.36x = 20,530,454.40 × 7,633,360.08
  4. Step 4: Simplify right side
    13,698,873.36x = 156,716,351,041,220.34
  5. Step 5: Solve for x
    x = 156,716,351,041,220.34/13,698,873.36
  6. Step 6: Final answer
    x = 11,440,090.50

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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.