Home / 20,298,343.68-30,445,984.14-6,464,743.40

Finding the Fourth Proportional to 20,298,343.68, 30,445,984.14 and 6,464,743.40

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Solution

The fourth proportional to 20,298,343.68, 30,445,984.14 and 6,464,743.40 is: 9,696,627.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298,343.68 : 30,445,984.14 = 6,464,743.40 : x
  2. Step 2: Convert to fraction form
    20,298,343.68/30,445,984.14 = 6,464,743.40/x
  3. Step 3: Cross multiply
    20,298,343.68x = 30,445,984.14 × 6,464,743.40
  4. Step 4: Simplify right side
    20,298,343.68x = 196,825,475,025,569.69
  5. Step 5: Solve for x
    x = 196,825,475,025,569.69/20,298,343.68
  6. Step 6: Final answer
    x = 9,696,627.38

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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.