Home / 27,240,185.40-40,860,278.10-12,078,022.20

Finding the Fourth Proportional to 27,240,185.40, 40,860,278.10 and 12,078,022.20

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Solution

The fourth proportional to 27,240,185.40, 40,860,278.10 and 12,078,022.20 is: 18,117,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,240,185.40 : 40,860,278.10 = 12,078,022.20 : x
  2. Step 2: Convert to fraction form
    27,240,185.40/40,860,278.10 = 12,078,022.20/x
  3. Step 3: Cross multiply
    27,240,185.40x = 40,860,278.10 × 12,078,022.20
  4. Step 4: Simplify right side
    27,240,185.40x = 493,511,345,989,973.81
  5. Step 5: Solve for x
    x = 493,511,345,989,973.81/27,240,185.40
  6. Step 6: Final answer
    x = 18,117,033.30

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1.5x scale

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.