Home / 28,562,683.55-39,416,378.64-15,509,836.49

Finding the Fourth Proportional to 28,562,683.55, 39,416,378.64 and 15,509,836.49

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Solution

The fourth proportional to 28,562,683.55, 39,416,378.64 and 15,509,836.49 is: 21,403,506.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,562,683.55 : 39,416,378.64 = 15,509,836.49 : x
  2. Step 2: Convert to fraction form
    28,562,683.55/39,416,378.64 = 15,509,836.49/x
  3. Step 3: Cross multiply
    28,562,683.55x = 39,416,378.64 × 15,509,836.49
  4. Step 4: Simplify right side
    28,562,683.55x = 611,341,587,734,328.62
  5. Step 5: Solve for x
    x = 611,341,587,734,328.62/28,562,683.55
  6. Step 6: Final answer
    x = 21,403,506.67

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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.