Home / 13,516,606.63-18,652,762.70-7,321,536.55

Finding the Fourth Proportional to 13,516,606.63, 18,652,762.70 and 7,321,536.55

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Solution

The fourth proportional to 13,516,606.63, 18,652,762.70 and 7,321,536.55 is: 10,103,636.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516,606.63 : 18,652,762.70 = 7,321,536.55 : x
  2. Step 2: Convert to fraction form
    13,516,606.63/18,652,762.70 = 7,321,536.55/x
  3. Step 3: Cross multiply
    13,516,606.63x = 18,652,762.70 × 7,321,536.55
  4. Step 4: Simplify right side
    13,516,606.63x = 136,566,883,773,262.86
  5. Step 5: Solve for x
    x = 136,566,883,773,262.86/13,516,606.63
  6. Step 6: Final answer
    x = 10,103,636.78

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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.