Home / 13,665,305.93-18,858,160.19-7,470,427.50

Finding the Fourth Proportional to 13,665,305.93, 18,858,160.19 and 7,470,427.50

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Solution

The fourth proportional to 13,665,305.93, 18,858,160.19 and 7,470,427.50 is: 10,309,210.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665,305.93 : 18,858,160.19 = 7,470,427.50 : x
  2. Step 2: Convert to fraction form
    13,665,305.93/18,858,160.19 = 7,470,427.50/x
  3. Step 3: Cross multiply
    13,665,305.93x = 18,858,160.19 × 7,470,427.50
  4. Step 4: Simplify right side
    13,665,305.93x = 140,878,518,501,457.28
  5. Step 5: Solve for x
    x = 140,878,518,501,457.28/13,665,305.93
  6. Step 6: Final answer
    x = 10,309,210.73

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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.