Home / 21,349,929.60-31,950,244.80-19,558,339.20

Finding the Fourth Proportional to 21,349,929.60, 31,950,244.80 and 19,558,339.20

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Solution

The fourth proportional to 21,349,929.60, 31,950,244.80 and 19,558,339.20 is: 29,269,123.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,349,929.60 : 31,950,244.80 = 19,558,339.20 : x
  2. Step 2: Convert to fraction form
    21,349,929.60/31,950,244.80 = 19,558,339.20/x
  3. Step 3: Cross multiply
    21,349,929.60x = 31,950,244.80 × 19,558,339.20
  4. Step 4: Simplify right side
    21,349,929.60x = 624,893,725,321,436.12
  5. Step 5: Solve for x
    x = 624,893,725,321,436.12/21,349,929.60
  6. Step 6: Final answer
    x = 29,269,123.46

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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.