Home / 15,506,819.36-21,399,410.64-8,631,153.44

Finding the Fourth Proportional to 15,506,819.36, 21,399,410.64 and 8,631,153.44

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Solution

The fourth proportional to 15,506,819.36, 21,399,410.64 and 8,631,153.44 is: 11,910,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,506,819.36 : 21,399,410.64 = 8,631,153.44 : x
  2. Step 2: Convert to fraction form
    15,506,819.36/21,399,410.64 = 8,631,153.44/x
  3. Step 3: Cross multiply
    15,506,819.36x = 21,399,410.64 × 8,631,153.44
  4. Step 4: Simplify right side
    15,506,819.36x = 184,701,596,759,408.59
  5. Step 5: Solve for x
    x = 184,701,596,759,408.59/15,506,819.36
  6. Step 6: Final answer
    x = 11,910,991.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.