Home / 12,018,137.16-18,027,205.80-2,920,188

Finding the Fourth Proportional to 12,018,137.16, 18,027,205.80 and 2,920,188

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Solution

The fourth proportional to 12,018,137.16, 18,027,205.80 and 2,920,188 is: 4,380,282.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,018,137.16 : 18,027,205.80 = 2,920,188 : x
  2. Step 2: Convert to fraction form
    12,018,137.16/18,027,205.80 = 2,920,188/x
  3. Step 3: Cross multiply
    12,018,137.16x = 18,027,205.80 × 2,920,188
  4. Step 4: Simplify right side
    12,018,137.16x = 52,642,830,050,690.40
  5. Step 5: Solve for x
    x = 52,642,830,050,690.40/12,018,137.16
  6. Step 6: Final answer
    x = 4,380,282.01

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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.