Home / 28,872,309.41-43,310,457-8,402,198.55

Finding the Fourth Proportional to 28,872,309.41, 43,310,457 and 8,402,198.55

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Solution

The fourth proportional to 28,872,309.41, 43,310,457 and 8,402,198.55 is: 12,603,877.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,872,309.41 : 43,310,457 = 8,402,198.55 : x
  2. Step 2: Convert to fraction form
    28,872,309.41/43,310,457 = 8,402,198.55/x
  3. Step 3: Cross multiply
    28,872,309.41x = 43,310,457 × 8,402,198.55
  4. Step 4: Simplify right side
    28,872,309.41x = 363,903,058,842,823.19
  5. Step 5: Solve for x
    x = 363,903,058,842,823.19/28,872,309.41
  6. Step 6: Final answer
    x = 12,603,877.77

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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.