Home / 21,160,325.60-29,201,569.29-11,869,955.07

Finding the Fourth Proportional to 21,160,325.60, 29,201,569.29 and 11,869,955.07

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Solution

The fourth proportional to 21,160,325.60, 29,201,569.29 and 11,869,955.07 is: 16,380,717.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,160,325.60 : 29,201,569.29 = 11,869,955.07 : x
  2. Step 2: Convert to fraction form
    21,160,325.60/29,201,569.29 = 11,869,955.07/x
  3. Step 3: Cross multiply
    21,160,325.60x = 29,201,569.29 × 11,869,955.07
  4. Step 4: Simplify right side
    21,160,325.60x = 346,621,315,336,285.94
  5. Step 5: Solve for x
    x = 346,621,315,336,285.94/21,160,325.60
  6. Step 6: Final answer
    x = 16,380,717.48

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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.