Home / 15,138,124.37-22,717,215.48-8,319,459.32

Finding the Fourth Proportional to 15,138,124.37, 22,717,215.48 and 8,319,459.32

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Solution

The fourth proportional to 15,138,124.37, 22,717,215.48 and 8,319,459.32 is: 12,484,700.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138,124.37 : 22,717,215.48 = 8,319,459.32 : x
  2. Step 2: Convert to fraction form
    15,138,124.37/22,717,215.48 = 8,319,459.32/x
  3. Step 3: Cross multiply
    15,138,124.37x = 22,717,215.48 × 8,319,459.32
  4. Step 4: Simplify right side
    15,138,124.37x = 188,994,950,109,928.78
  5. Step 5: Solve for x
    x = 188,994,950,109,928.78/15,138,124.37
  6. Step 6: Final answer
    x = 12,484,700.58

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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.