Home / 21,256,076.32-31,884,606.96-7,610,155.36

Finding the Fourth Proportional to 21,256,076.32, 31,884,606.96 and 7,610,155.36

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Solution

The fourth proportional to 21,256,076.32, 31,884,606.96 and 7,610,155.36 is: 11,415,409.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,256,076.32 : 31,884,606.96 = 7,610,155.36 : x
  2. Step 2: Convert to fraction form
    21,256,076.32/31,884,606.96 = 7,610,155.36/x
  3. Step 3: Cross multiply
    21,256,076.32x = 31,884,606.96 × 7,610,155.36
  4. Step 4: Simplify right side
    21,256,076.32x = 242,646,812,558,137.31
  5. Step 5: Solve for x
    x = 242,646,812,558,137.31/21,256,076.32
  6. Step 6: Final answer
    x = 11,415,409.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.