Home / 28,742,912.40-43,114,368.60-27,042,301.20

Finding the Fourth Proportional to 28,742,912.40, 43,114,368.60 and 27,042,301.20

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Solution

The fourth proportional to 28,742,912.40, 43,114,368.60 and 27,042,301.20 is: 40,563,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,742,912.40 : 43,114,368.60 = 27,042,301.20 : x
  2. Step 2: Convert to fraction form
    28,742,912.40/43,114,368.60 = 27,042,301.20/x
  3. Step 3: Cross multiply
    28,742,912.40x = 43,114,368.60 × 27,042,301.20
  4. Step 4: Simplify right side
    28,742,912.40x = 1,165,911,741,729,022.25
  5. Step 5: Solve for x
    x = 1,165,911,741,729,022.25/28,742,912.40
  6. Step 6: Final answer
    x = 40,563,451.80

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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.