Home / 7,146,729.81-9,862,479.63-3,883,536.77

Finding the Fourth Proportional to 7,146,729.81, 9,862,479.63 and 3,883,536.77

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Solution

The fourth proportional to 7,146,729.81, 9,862,479.63 and 3,883,536.77 is: 5,359,276.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146,729.81 : 9,862,479.63 = 3,883,536.77 : x
  2. Step 2: Convert to fraction form
    7,146,729.81/9,862,479.63 = 3,883,536.77/x
  3. Step 3: Cross multiply
    7,146,729.81x = 9,862,479.63 × 3,883,536.77
  4. Step 4: Simplify right side
    7,146,729.81x = 38,301,302,311,137.20
  5. Step 5: Solve for x
    x = 38,301,302,311,137.20/7,146,729.81
  6. Step 6: Final answer
    x = 5,359,276.67

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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.