Home / 12,161,928.16-16,783,462.53-6,655,304.32

Finding the Fourth Proportional to 12,161,928.16, 16,783,462.53 and 6,655,304.32

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Solution

The fourth proportional to 12,161,928.16, 16,783,462.53 and 6,655,304.32 is: 9,184,320.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161,928.16 : 16,783,462.53 = 6,655,304.32 : x
  2. Step 2: Convert to fraction form
    12,161,928.16/16,783,462.53 = 6,655,304.32/x
  3. Step 3: Cross multiply
    12,161,928.16x = 16,783,462.53 × 6,655,304.32
  4. Step 4: Simplify right side
    12,161,928.16x = 111,699,050,680,467.14
  5. Step 5: Solve for x
    x = 111,699,050,680,467.14/12,161,928.16
  6. Step 6: Final answer
    x = 9,184,320.88

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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.