Home / 15,287,734.30-21,089,033.81-9,088,371.24

Finding the Fourth Proportional to 15,287,734.30, 21,089,033.81 and 9,088,371.24

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Solution

The fourth proportional to 15,287,734.30, 21,089,033.81 and 9,088,371.24 is: 12,537,172.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,287,734.30 : 21,089,033.81 = 9,088,371.24 : x
  2. Step 2: Convert to fraction form
    15,287,734.30/21,089,033.81 = 9,088,371.24/x
  3. Step 3: Cross multiply
    15,287,734.30x = 21,089,033.81 × 9,088,371.24
  4. Step 4: Simplify right side
    15,287,734.30x = 191,664,968,410,914.19
  5. Step 5: Solve for x
    x = 191,664,968,410,914.19/15,287,734.30
  6. Step 6: Final answer
    x = 12,537,172.92

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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.