Home / 29,316,989.51-40,440,636.71-18,284,585.64

Finding the Fourth Proportional to 29,316,989.51, 40,440,636.71 and 18,284,585.64

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Solution

The fourth proportional to 29,316,989.51, 40,440,636.71 and 18,284,585.64 is: 25,222,244.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,316,989.51 : 40,440,636.71 = 18,284,585.64 : x
  2. Step 2: Convert to fraction form
    29,316,989.51/40,440,636.71 = 18,284,585.64/x
  3. Step 3: Cross multiply
    29,316,989.51x = 40,440,636.71 × 18,284,585.64
  4. Step 4: Simplify right side
    29,316,989.51x = 739,440,285,364,491.25
  5. Step 5: Solve for x
    x = 739,440,285,364,491.25/29,316,989.51
  6. Step 6: Final answer
    x = 25,222,244.77

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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.