Home / 13,811,740.27-19,054,154.95-13,171,386.67

Finding the Fourth Proportional to 13,811,740.27, 19,054,154.95 and 13,171,386.67

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Solution

The fourth proportional to 13,811,740.27, 19,054,154.95 and 13,171,386.67 is: 18,170,747.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,811,740.27 : 19,054,154.95 = 13,171,386.67 : x
  2. Step 2: Convert to fraction form
    13,811,740.27/19,054,154.95 = 13,171,386.67/x
  3. Step 3: Cross multiply
    13,811,740.27x = 19,054,154.95 × 13,171,386.67
  4. Step 4: Simplify right side
    13,811,740.27x = 250,969,642,516,544.50
  5. Step 5: Solve for x
    x = 250,969,642,516,544.50/13,811,740.27
  6. Step 6: Final answer
    x = 18,170,747.32

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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.