Home / 18,195,300.94-25,109,636.68-9,935,420.57

Finding the Fourth Proportional to 18,195,300.94, 25,109,636.68 and 9,935,420.57

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Solution

The fourth proportional to 18,195,300.94, 25,109,636.68 and 9,935,420.57 is: 13,710,946.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195,300.94 : 25,109,636.68 = 9,935,420.57 : x
  2. Step 2: Convert to fraction form
    18,195,300.94/25,109,636.68 = 9,935,420.57/x
  3. Step 3: Cross multiply
    18,195,300.94x = 25,109,636.68 × 9,935,420.57
  4. Step 4: Simplify right side
    18,195,300.94x = 249,474,800,775,698.50
  5. Step 5: Solve for x
    x = 249,474,800,775,698.50/18,195,300.94
  6. Step 6: Final answer
    x = 13,710,946.67

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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.