Home / 12,140,872.08-18,213,284.52-5,670,417.84

Finding the Fourth Proportional to 12,140,872.08, 18,213,284.52 and 5,670,417.84

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Solution

The fourth proportional to 12,140,872.08, 18,213,284.52 and 5,670,417.84 is: 8,506,549.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,140,872.08 : 18,213,284.52 = 5,670,417.84 : x
  2. Step 2: Convert to fraction form
    12,140,872.08/18,213,284.52 = 5,670,417.84/x
  3. Step 3: Cross multiply
    12,140,872.08x = 18,213,284.52 × 5,670,417.84
  4. Step 4: Simplify right side
    12,140,872.08x = 103,276,933,467,203.83
  5. Step 5: Solve for x
    x = 103,276,933,467,203.83/12,140,872.08
  6. Step 6: Final answer
    x = 8,506,549.84

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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.