Home / 21,742,615.69-32,613,929.61-6,389,904.54

Finding the Fourth Proportional to 21,742,615.69, 32,613,929.61 and 6,389,904.54

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Solution

The fourth proportional to 21,742,615.69, 32,613,929.61 and 6,389,904.54 is: 9,584,858.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,742,615.69 : 32,613,929.61 = 6,389,904.54 : x
  2. Step 2: Convert to fraction form
    21,742,615.69/32,613,929.61 = 6,389,904.54/x
  3. Step 3: Cross multiply
    21,742,615.69x = 32,613,929.61 × 6,389,904.54
  4. Step 4: Simplify right side
    21,742,615.69x = 208,399,896,882,179.44
  5. Step 5: Solve for x
    x = 208,399,896,882,179.44/21,742,615.69
  6. Step 6: Final answer
    x = 9,584,858.60

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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.