Home / 21,500,069.40-29,676,579.32-14,628,537.28

Finding the Fourth Proportional to 21,500,069.40, 29,676,579.32 and 14,628,537.28

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Solution

The fourth proportional to 21,500,069.40, 29,676,579.32 and 14,628,537.28 is: 20,191,792.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,500,069.40 : 29,676,579.32 = 14,628,537.28 : x
  2. Step 2: Convert to fraction form
    21,500,069.40/29,676,579.32 = 14,628,537.28/x
  3. Step 3: Cross multiply
    21,500,069.40x = 29,676,579.32 × 14,628,537.28
  4. Step 4: Simplify right side
    21,500,069.40x = 434,124,946,925,497.06
  5. Step 5: Solve for x
    x = 434,124,946,925,497.06/21,500,069.40
  6. Step 6: Final answer
    x = 20,191,792.82

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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.