Home / 11,370,035.45-15,692,249.15-7,238,746.89

Finding the Fourth Proportional to 11,370,035.45, 15,692,249.15 and 7,238,746.89

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Solution

The fourth proportional to 11,370,035.45, 15,692,249.15 and 7,238,746.89 is: 9,990,489.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370,035.45 : 15,692,249.15 = 7,238,746.89 : x
  2. Step 2: Convert to fraction form
    11,370,035.45/15,692,249.15 = 7,238,746.89/x
  3. Step 3: Cross multiply
    11,370,035.45x = 15,692,249.15 × 7,238,746.89
  4. Step 4: Simplify right side
    11,370,035.45x = 113,592,219,731,667.64
  5. Step 5: Solve for x
    x = 113,592,219,731,667.64/11,370,035.45
  6. Step 6: Final answer
    x = 9,990,489.50

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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.