Home / 17,678,420-26,517,554.40-4,898,888

Finding the Fourth Proportional to 17,678,420, 26,517,554.40 and 4,898,888

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Solution

The fourth proportional to 17,678,420, 26,517,554.40 and 4,898,888 is: 7,348,311.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,678,420 : 26,517,554.40 = 4,898,888 : x
  2. Step 2: Convert to fraction form
    17,678,420/26,517,554.40 = 4,898,888/x
  3. Step 3: Cross multiply
    17,678,420x = 26,517,554.40 × 4,898,888
  4. Step 4: Simplify right side
    17,678,420x = 129,906,529,039,507.19
  5. Step 5: Solve for x
    x = 129,906,529,039,507.19/17,678,420
  6. Step 6: Final answer
    x = 7,348,311.05

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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.