Home / 8,688,003.60-13,029,672.60-3,638,269.20

Finding the Fourth Proportional to 8,688,003.60, 13,029,672.60 and 3,638,269.20

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Solution

The fourth proportional to 8,688,003.60, 13,029,672.60 and 3,638,269.20 is: 5,456,426.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688,003.60 : 13,029,672.60 = 3,638,269.20 : x
  2. Step 2: Convert to fraction form
    8,688,003.60/13,029,672.60 = 3,638,269.20/x
  3. Step 3: Cross multiply
    8,688,003.60x = 13,029,672.60 × 3,638,269.20
  4. Step 4: Simplify right side
    8,688,003.60x = 47,405,456,506,663.92
  5. Step 5: Solve for x
    x = 47,405,456,506,663.92/8,688,003.60
  6. Step 6: Final answer
    x = 5,456,426.89

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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.