Home / 13,066,483.78-18,034,004.72-7,562,893.22

Finding the Fourth Proportional to 13,066,483.78, 18,034,004.72 and 7,562,893.22

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Solution

The fourth proportional to 13,066,483.78, 18,034,004.72 and 7,562,893.22 is: 10,438,099.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066,483.78 : 18,034,004.72 = 7,562,893.22 : x
  2. Step 2: Convert to fraction form
    13,066,483.78/18,034,004.72 = 7,562,893.22/x
  3. Step 3: Cross multiply
    13,066,483.78x = 18,034,004.72 × 7,562,893.22
  4. Step 4: Simplify right side
    13,066,483.78x = 136,389,251,980,159.47
  5. Step 5: Solve for x
    x = 136,389,251,980,159.47/13,066,483.78
  6. Step 6: Final answer
    x = 10,438,099.05

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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.