Home / 28,018,220.60-42,027,330.90-8,850,915.20

Finding the Fourth Proportional to 28,018,220.60, 42,027,330.90 and 8,850,915.20

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Solution

The fourth proportional to 28,018,220.60, 42,027,330.90 and 8,850,915.20 is: 13,276,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,018,220.60 : 42,027,330.90 = 8,850,915.20 : x
  2. Step 2: Convert to fraction form
    28,018,220.60/42,027,330.90 = 8,850,915.20/x
  3. Step 3: Cross multiply
    28,018,220.60x = 42,027,330.90 × 8,850,915.20
  4. Step 4: Simplify right side
    28,018,220.60x = 371,980,341,878,239.62
  5. Step 5: Solve for x
    x = 371,980,341,878,239.62/28,018,220.60
  6. Step 6: Final answer
    x = 13,276,372.80

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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.