Home / 28,969,622.40-43,460,265.60-8,499,302.40

Finding the Fourth Proportional to 28,969,622.40, 43,460,265.60 and 8,499,302.40

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Solution

The fourth proportional to 28,969,622.40, 43,460,265.60 and 8,499,302.40 is: 12,750,664.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969,622.40 : 43,460,265.60 = 8,499,302.40 : x
  2. Step 2: Convert to fraction form
    28,969,622.40/43,460,265.60 = 8,499,302.40/x
  3. Step 3: Cross multiply
    28,969,622.40x = 43,460,265.60 × 8,499,302.40
  4. Step 4: Simplify right side
    28,969,622.40x = 369,381,939,718,717.50
  5. Step 5: Solve for x
    x = 369,381,939,718,717.50/28,969,622.40
  6. Step 6: Final answer
    x = 12,750,664.63

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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.