Home / 12,959,470.14-17,883,727.32-7,158,127.34

Finding the Fourth Proportional to 12,959,470.14, 17,883,727.32 and 7,158,127.34

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Solution

The fourth proportional to 12,959,470.14, 17,883,727.32 and 7,158,127.34 is: 9,878,027.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,959,470.14 : 17,883,727.32 = 7,158,127.34 : x
  2. Step 2: Convert to fraction form
    12,959,470.14/17,883,727.32 = 7,158,127.34/x
  3. Step 3: Cross multiply
    12,959,470.14x = 17,883,727.32 × 7,158,127.34
  4. Step 4: Simplify right side
    12,959,470.14x = 128,013,997,470,396.92
  5. Step 5: Solve for x
    x = 128,013,997,470,396.92/12,959,470.14
  6. Step 6: Final answer
    x = 9,878,027.12

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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.