Home / 19,871,642.64-29,795,256.99-7,726,949.76

Finding the Fourth Proportional to 19,871,642.64, 29,795,256.99 and 7,726,949.76

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Solution

The fourth proportional to 19,871,642.64, 29,795,256.99 and 7,726,949.76 is: 11,585,678.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,871,642.64 : 29,795,256.99 = 7,726,949.76 : x
  2. Step 2: Convert to fraction form
    19,871,642.64/29,795,256.99 = 7,726,949.76/x
  3. Step 3: Cross multiply
    19,871,642.64x = 29,795,256.99 × 7,726,949.76
  4. Step 4: Simplify right side
    19,871,642.64x = 230,226,453,848,018.81
  5. Step 5: Solve for x
    x = 230,226,453,848,018.81/19,871,642.64
  6. Step 6: Final answer
    x = 11,585,678.04

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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.