Home / 8,631,448.32-12,943,041.48-4,078,697.52

Finding the Fourth Proportional to 8,631,448.32, 12,943,041.48 and 4,078,697.52

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Solution

The fourth proportional to 8,631,448.32, 12,943,041.48 and 4,078,697.52 is: 6,116,094.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631,448.32 : 12,943,041.48 = 4,078,697.52 : x
  2. Step 2: Convert to fraction form
    8,631,448.32/12,943,041.48 = 4,078,697.52/x
  3. Step 3: Cross multiply
    8,631,448.32x = 12,943,041.48 × 4,078,697.52
  4. Step 4: Simplify right side
    8,631,448.32x = 52,790,751,185,733.13
  5. Step 5: Solve for x
    x = 52,790,751,185,733.13/8,631,448.32
  6. Step 6: Final answer
    x = 6,116,094.22

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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.