Home / 13,879,894.06-19,154,852.51-7,684,940.64

Finding the Fourth Proportional to 13,879,894.06, 19,154,852.51 and 7,684,940.64

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Solution

The fourth proportional to 13,879,894.06, 19,154,852.51 and 7,684,940.64 is: 10,605,549.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879,894.06 : 19,154,852.51 = 7,684,940.64 : x
  2. Step 2: Convert to fraction form
    13,879,894.06/19,154,852.51 = 7,684,940.64/x
  3. Step 3: Cross multiply
    13,879,894.06x = 19,154,852.51 × 7,684,940.64
  4. Step 4: Simplify right side
    13,879,894.06x = 147,203,904,507,305
  5. Step 5: Solve for x
    x = 147,203,904,507,305/13,879,894.06
  6. Step 6: Final answer
    x = 10,605,549.57

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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.