Home / 32,712,390.81-45,135,171.03-18,580,433.60

Finding the Fourth Proportional to 32,712,390.81, 45,135,171.03 and 18,580,433.60

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Solution

The fourth proportional to 32,712,390.81, 45,135,171.03 and 18,580,433.60 is: 25,636,495.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,712,390.81 : 45,135,171.03 = 18,580,433.60 : x
  2. Step 2: Convert to fraction form
    32,712,390.81/45,135,171.03 = 18,580,433.60/x
  3. Step 3: Cross multiply
    32,712,390.81x = 45,135,171.03 × 18,580,433.60
  4. Step 4: Simplify right side
    32,712,390.81x = 838,631,048,530,073.12
  5. Step 5: Solve for x
    x = 838,631,048,530,073.12/32,712,390.81
  6. Step 6: Final answer
    x = 25,636,495.16

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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.