Home / 19,478,728.36-26,889,254.58-11,641,005.64

Finding the Fourth Proportional to 19,478,728.36, 26,889,254.58 and 11,641,005.64

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Solution

The fourth proportional to 19,478,728.36, 26,889,254.58 and 11,641,005.64 is: 16,069,733.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478,728.36 : 26,889,254.58 = 11,641,005.64 : x
  2. Step 2: Convert to fraction form
    19,478,728.36/26,889,254.58 = 11,641,005.64/x
  3. Step 3: Cross multiply
    19,478,728.36x = 26,889,254.58 × 11,641,005.64
  4. Step 4: Simplify right side
    19,478,728.36x = 313,017,964,221,175.81
  5. Step 5: Solve for x
    x = 313,017,964,221,175.81/19,478,728.36
  6. Step 6: Final answer
    x = 16,069,733.02

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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.