Home / 28,500,969.65-39,335,540.56-18,047,940.37

Finding the Fourth Proportional to 28,500,969.65, 39,335,540.56 and 18,047,940.37

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Solution

The fourth proportional to 28,500,969.65, 39,335,540.56 and 18,047,940.37 is: 24,908,818.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,500,969.65 : 39,335,540.56 = 18,047,940.37 : x
  2. Step 2: Convert to fraction form
    28,500,969.65/39,335,540.56 = 18,047,940.37/x
  3. Step 3: Cross multiply
    28,500,969.65x = 39,335,540.56 × 18,047,940.37
  4. Step 4: Simplify right side
    28,500,969.65x = 709,925,490,249,831.88
  5. Step 5: Solve for x
    x = 709,925,490,249,831.88/28,500,969.65
  6. Step 6: Final answer
    x = 24,908,818.86

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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.