Home / 18,426,940.38-25,429,946.76-10,167,538.39

Finding the Fourth Proportional to 18,426,940.38, 25,429,946.76 and 10,167,538.39

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Solution

The fourth proportional to 18,426,940.38, 25,429,946.76 and 10,167,538.39 is: 14,031,627.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426,940.38 : 25,429,946.76 = 10,167,538.39 : x
  2. Step 2: Convert to fraction form
    18,426,940.38/25,429,946.76 = 10,167,538.39/x
  3. Step 3: Cross multiply
    18,426,940.38x = 25,429,946.76 × 10,167,538.39
  4. Step 4: Simplify right side
    18,426,940.38x = 258,559,959,874,381.25
  5. Step 5: Solve for x
    x = 258,559,959,874,381.25/18,426,940.38
  6. Step 6: Final answer
    x = 14,031,627.31

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1.5x scale

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.