Home / 8,720,437.32-12,021,731.64-6,134,091.12

Finding the Fourth Proportional to 8,720,437.32, 12,021,731.64 and 6,134,091.12

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Solution

The fourth proportional to 8,720,437.32, 12,021,731.64 and 6,134,091.12 is: 8,456,272.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720,437.32 : 12,021,731.64 = 6,134,091.12 : x
  2. Step 2: Convert to fraction form
    8,720,437.32/12,021,731.64 = 6,134,091.12/x
  3. Step 3: Cross multiply
    8,720,437.32x = 12,021,731.64 × 6,134,091.12
  4. Step 4: Simplify right side
    8,720,437.32x = 73,742,397,299,947.05
  5. Step 5: Solve for x
    x = 73,742,397,299,947.05/8,720,437.32
  6. Step 6: Final answer
    x = 8,456,272.84

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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.