Home / 12,948,506.04-17,868,940.11-7,147,289.01

Finding the Fourth Proportional to 12,948,506.04, 17,868,940.11 and 7,147,289.01

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Solution

The fourth proportional to 12,948,506.04, 17,868,940.11 and 7,147,289.01 is: 9,863,259.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,506.04 : 17,868,940.11 = 7,147,289.01 : x
  2. Step 2: Convert to fraction form
    12,948,506.04/17,868,940.11 = 7,147,289.01/x
  3. Step 3: Cross multiply
    12,948,506.04x = 17,868,940.11 × 7,147,289.01
  4. Step 4: Simplify right side
    12,948,506.04x = 127,714,479,268,551.19
  5. Step 5: Solve for x
    x = 127,714,479,268,551.19/12,948,506.04
  6. Step 6: Final answer
    x = 9,863,259.81

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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.