Home / 18,167,862.96-25,070,807.56-10,427,457.60

Finding the Fourth Proportional to 18,167,862.96, 25,070,807.56 and 10,427,457.60

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Solution

The fourth proportional to 18,167,862.96, 25,070,807.56 and 10,427,457.60 is: 14,389,407.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,167,862.96 : 25,070,807.56 = 10,427,457.60 : x
  2. Step 2: Convert to fraction form
    18,167,862.96/25,070,807.56 = 10,427,457.60/x
  3. Step 3: Cross multiply
    18,167,862.96x = 25,070,807.56 × 10,427,457.60
  4. Step 4: Simplify right side
    18,167,862.96x = 261,424,782,829,659.44
  5. Step 5: Solve for x
    x = 261,424,782,829,659.44/18,167,862.96
  6. Step 6: Final answer
    x = 14,389,407.46

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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.