Home / 13,055,804.19-18,016,651.47-7,254,436.77

Finding the Fourth Proportional to 13,055,804.19, 18,016,651.47 and 7,254,436.77

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Solution

The fourth proportional to 13,055,804.19, 18,016,651.47 and 7,254,436.77 is: 10,010,923.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055,804.19 : 18,016,651.47 = 7,254,436.77 : x
  2. Step 2: Convert to fraction form
    13,055,804.19/18,016,651.47 = 7,254,436.77/x
  3. Step 3: Cross multiply
    13,055,804.19x = 18,016,651.47 × 7,254,436.77
  4. Step 4: Simplify right side
    13,055,804.19x = 130,700,658,769,887.11
  5. Step 5: Solve for x
    x = 130,700,658,769,887.11/13,055,804.19
  6. Step 6: Final answer
    x = 10,010,923.64

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Double scale
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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.