Home / 13,775,221.08-19,009,980.06-7,580,980.98

Finding the Fourth Proportional to 13,775,221.08, 19,009,980.06 and 7,580,980.98

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Solution

The fourth proportional to 13,775,221.08, 19,009,980.06 and 7,580,980.98 is: 10,461,850.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,775,221.08 : 19,009,980.06 = 7,580,980.98 : x
  2. Step 2: Convert to fraction form
    13,775,221.08/19,009,980.06 = 7,580,980.98/x
  3. Step 3: Cross multiply
    13,775,221.08x = 19,009,980.06 × 7,580,980.98
  4. Step 4: Simplify right side
    13,775,221.08x = 144,114,297,265,039.25
  5. Step 5: Solve for x
    x = 144,114,297,265,039.25/13,775,221.08
  6. Step 6: Final answer
    x = 10,461,850.04

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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.