Home / 21,903,368.40-30,226,586.24-12,607,541.60

Finding the Fourth Proportional to 21,903,368.40, 30,226,586.24 and 12,607,541.60

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Solution

The fourth proportional to 21,903,368.40, 30,226,586.24 and 12,607,541.60 is: 17,398,371.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,903,368.40 : 30,226,586.24 = 12,607,541.60 : x
  2. Step 2: Convert to fraction form
    21,903,368.40/30,226,586.24 = 12,607,541.60/x
  3. Step 3: Cross multiply
    21,903,368.40x = 30,226,586.24 × 12,607,541.60
  4. Step 4: Simplify right side
    21,903,368.40x = 381,082,943,446,787.56
  5. Step 5: Solve for x
    x = 381,082,943,446,787.56/21,903,368.40
  6. Step 6: Final answer
    x = 17,398,371.63

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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.