Home / 10,208,967.12-15,341,570.64-5,420,240.64

Finding the Fourth Proportional to 10,208,967.12, 15,341,570.64 and 5,420,240.64

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Solution

The fourth proportional to 10,208,967.12, 15,341,570.64 and 5,420,240.64 is: 8,145,290.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,208,967.12 : 15,341,570.64 = 5,420,240.64 : x
  2. Step 2: Convert to fraction form
    10,208,967.12/15,341,570.64 = 5,420,240.64/x
  3. Step 3: Cross multiply
    10,208,967.12x = 15,341,570.64 × 5,420,240.64
  4. Step 4: Simplify right side
    10,208,967.12x = 83,155,004,664,358.81
  5. Step 5: Solve for x
    x = 83,155,004,664,358.81/10,208,967.12
  6. Step 6: Final answer
    x = 8,145,290.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.