Home / 38,480,322.96-53,088,071.28-21,961,365.36

Finding the Fourth Proportional to 38,480,322.96, 53,088,071.28 and 21,961,365.36

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Solution

The fourth proportional to 38,480,322.96, 53,088,071.28 and 21,961,365.36 is: 30,298,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,480,322.96 : 53,088,071.28 = 21,961,365.36 : x
  2. Step 2: Convert to fraction form
    38,480,322.96/53,088,071.28 = 21,961,365.36/x
  3. Step 3: Cross multiply
    38,480,322.96x = 53,088,071.28 × 21,961,365.36
  4. Step 4: Simplify right side
    38,480,322.96x = 1,165,886,529,637,802.75
  5. Step 5: Solve for x
    x = 1,165,886,529,637,802.75/38,480,322.96
  6. Step 6: Final answer
    x = 30,298,252.20

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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.