Home / 18,326,020.59-25,289,215.53-10,177,783.47

Finding the Fourth Proportional to 18,326,020.59, 25,289,215.53 and 10,177,783.47

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Solution

The fourth proportional to 18,326,020.59, 25,289,215.53 and 10,177,783.47 is: 14,044,956.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326,020.59 : 25,289,215.53 = 10,177,783.47 : x
  2. Step 2: Convert to fraction form
    18,326,020.59/25,289,215.53 = 10,177,783.47/x
  3. Step 3: Cross multiply
    18,326,020.59x = 25,289,215.53 × 10,177,783.47
  4. Step 4: Simplify right side
    18,326,020.59x = 257,388,159,879,168.78
  5. Step 5: Solve for x
    x = 257,388,159,879,168.78/18,326,020.59
  6. Step 6: Final answer
    x = 14,044,956.38

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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.