Home / 28,018,218.60-42,027,327.90-8,850,913.20

Finding the Fourth Proportional to 28,018,218.60, 42,027,327.90 and 8,850,913.20

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Solution

The fourth proportional to 28,018,218.60, 42,027,327.90 and 8,850,913.20 is: 13,276,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,018,218.60 : 42,027,327.90 = 8,850,913.20 : x
  2. Step 2: Convert to fraction form
    28,018,218.60/42,027,327.90 = 8,850,913.20/x
  3. Step 3: Cross multiply
    28,018,218.60x = 42,027,327.90 × 8,850,913.20
  4. Step 4: Simplify right side
    28,018,218.60x = 371,980,231,270,838.25
  5. Step 5: Solve for x
    x = 371,980,231,270,838.25/28,018,218.60
  6. Step 6: Final answer
    x = 13,276,369.80

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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.