Home / 28,588,126.78-42,884,759.90-8,118,047.35

Finding the Fourth Proportional to 28,588,126.78, 42,884,759.90 and 8,118,047.35

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Solution

The fourth proportional to 28,588,126.78, 42,884,759.90 and 8,118,047.35 is: 12,177,800.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,588,126.78 : 42,884,759.90 = 8,118,047.35 : x
  2. Step 2: Convert to fraction form
    28,588,126.78/42,884,759.90 = 8,118,047.35/x
  3. Step 3: Cross multiply
    28,588,126.78x = 42,884,759.90 × 8,118,047.35
  4. Step 4: Simplify right side
    28,588,126.78x = 348,140,511,461,581.25
  5. Step 5: Solve for x
    x = 348,140,511,461,581.25/28,588,126.78
  6. Step 6: Final answer
    x = 12,177,800.74

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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.