Home / 40,218,905.08-60,281,118.24-18,607,856.80

Finding the Fourth Proportional to 40,218,905.08, 60,281,118.24 and 18,607,856.80

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Solution

The fourth proportional to 40,218,905.08, 60,281,118.24 and 18,607,856.80 is: 27,889,929.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,218,905.08 : 60,281,118.24 = 18,607,856.80 : x
  2. Step 2: Convert to fraction form
    40,218,905.08/60,281,118.24 = 18,607,856.80/x
  3. Step 3: Cross multiply
    40,218,905.08x = 60,281,118.24 × 18,607,856.80
  4. Step 4: Simplify right side
    40,218,905.08x = 1,121,702,415,953,788.12
  5. Step 5: Solve for x
    x = 1,121,702,415,953,788.12/40,218,905.08
  6. Step 6: Final answer
    x = 27,889,929.22

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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.