Home / 13,857,583.16-19,122,835.16-7,976,967.07

Finding the Fourth Proportional to 13,857,583.16, 19,122,835.16 and 7,976,967.07

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Solution

The fourth proportional to 13,857,583.16, 19,122,835.16 and 7,976,967.07 is: 11,007,852.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,857,583.16 : 19,122,835.16 = 7,976,967.07 : x
  2. Step 2: Convert to fraction form
    13,857,583.16/19,122,835.16 = 7,976,967.07/x
  3. Step 3: Cross multiply
    13,857,583.16x = 19,122,835.16 × 7,976,967.07
  4. Step 4: Simplify right side
    13,857,583.16x = 152,542,226,268,666.25
  5. Step 5: Solve for x
    x = 152,542,226,268,666.25/13,857,583.16
  6. Step 6: Final answer
    x = 11,007,852.13

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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.