Home / 15,465,371.74-21,339,840.52-8,937,740.67

Finding the Fourth Proportional to 15,465,371.74, 21,339,840.52 and 8,937,740.67

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Solution

The fourth proportional to 15,465,371.74, 21,339,840.52 and 8,937,740.67 is: 12,332,711.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,465,371.74 : 21,339,840.52 = 8,937,740.67 : x
  2. Step 2: Convert to fraction form
    15,465,371.74/21,339,840.52 = 8,937,740.67/x
  3. Step 3: Cross multiply
    15,465,371.74x = 21,339,840.52 × 8,937,740.67
  4. Step 4: Simplify right side
    15,465,371.74x = 190,729,960,506,917.94
  5. Step 5: Solve for x
    x = 190,729,960,506,917.94/15,465,371.74
  6. Step 6: Final answer
    x = 12,332,711.02

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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.