Home / 23,742,420-32,764,541.76-13,428,921.12

Finding the Fourth Proportional to 23,742,420, 32,764,541.76 and 13,428,921.12

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Solution

The fourth proportional to 23,742,420, 32,764,541.76 and 13,428,921.12 is: 18,531,912.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,742,420 : 32,764,541.76 = 13,428,921.12 : x
  2. Step 2: Convert to fraction form
    23,742,420/32,764,541.76 = 13,428,921.12/x
  3. Step 3: Cross multiply
    23,742,420x = 32,764,541.76 × 13,428,921.12
  4. Step 4: Simplify right side
    23,742,420x = 439,992,446,827,985.94
  5. Step 5: Solve for x
    x = 439,992,446,827,985.94/23,742,420
  6. Step 6: Final answer
    x = 18,531,912.37

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1.5x scale

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.