Home / 13,881,017.80-19,151,168.56-8,078,569.08

Finding the Fourth Proportional to 13,881,017.80, 19,151,168.56 and 8,078,569.08

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Solution

The fourth proportional to 13,881,017.80, 19,151,168.56 and 8,078,569.08 is: 11,145,727.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,881,017.80 : 19,151,168.56 = 8,078,569.08 : x
  2. Step 2: Convert to fraction form
    13,881,017.80/19,151,168.56 = 8,078,569.08/x
  3. Step 3: Cross multiply
    13,881,017.80x = 19,151,168.56 × 8,078,569.08
  4. Step 4: Simplify right side
    13,881,017.80x = 154,714,038,174,684.12
  5. Step 5: Solve for x
    x = 154,714,038,174,684.12/13,881,017.80
  6. Step 6: Final answer
    x = 11,145,727.24

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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.