Home / 19,422,005.70-29,133,008.55-6,642,927.30

Finding the Fourth Proportional to 19,422,005.70, 29,133,008.55 and 6,642,927.30

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Solution

The fourth proportional to 19,422,005.70, 29,133,008.55 and 6,642,927.30 is: 9,964,390.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422,005.70 : 29,133,008.55 = 6,642,927.30 : x
  2. Step 2: Convert to fraction form
    19,422,005.70/29,133,008.55 = 6,642,927.30/x
  3. Step 3: Cross multiply
    19,422,005.70x = 29,133,008.55 × 6,642,927.30
  4. Step 4: Simplify right side
    19,422,005.70x = 193,528,457,827,928.41
  5. Step 5: Solve for x
    x = 193,528,457,827,928.41/19,422,005.70
  6. Step 6: Final answer
    x = 9,964,390.95

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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.