Home / 8,638,011.52-11,913,268.80-6,467,678.08

Finding the Fourth Proportional to 8,638,011.52, 11,913,268.80 and 6,467,678.08

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Solution

The fourth proportional to 8,638,011.52, 11,913,268.80 and 6,467,678.08 is: 8,920,014.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,638,011.52 : 11,913,268.80 = 6,467,678.08 : x
  2. Step 2: Convert to fraction form
    8,638,011.52/11,913,268.80 = 6,467,678.08/x
  3. Step 3: Cross multiply
    8,638,011.52x = 11,913,268.80 × 6,467,678.08
  4. Step 4: Simplify right side
    8,638,011.52x = 77,051,187,478,907.91
  5. Step 5: Solve for x
    x = 77,051,187,478,907.91/8,638,011.52
  6. Step 6: Final answer
    x = 8,920,014.44

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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.