Home / 13,581,804.63-18,743,244.98-7,470,393.51

Finding the Fourth Proportional to 13,581,804.63, 18,743,244.98 and 7,470,393.51

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Solution

The fourth proportional to 13,581,804.63, 18,743,244.98 and 7,470,393.51 is: 10,309,338.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,581,804.63 : 18,743,244.98 = 7,470,393.51 : x
  2. Step 2: Convert to fraction form
    13,581,804.63/18,743,244.98 = 7,470,393.51/x
  3. Step 3: Cross multiply
    13,581,804.63x = 18,743,244.98 × 7,470,393.51
  4. Step 4: Simplify right side
    13,581,804.63x = 140,019,415,617,580.12
  5. Step 5: Solve for x
    x = 140,019,415,617,580.12/13,581,804.63
  6. Step 6: Final answer
    x = 10,309,338.08

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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.