Home / 20,661,868.51-30,992,802.61-7,532,271.04

Finding the Fourth Proportional to 20,661,868.51, 30,992,802.61 and 7,532,271.04

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Solution

The fourth proportional to 20,661,868.51, 30,992,802.61 and 7,532,271.04 is: 11,298,406.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,661,868.51 : 30,992,802.61 = 7,532,271.04 : x
  2. Step 2: Convert to fraction form
    20,661,868.51/30,992,802.61 = 7,532,271.04/x
  3. Step 3: Cross multiply
    20,661,868.51x = 30,992,802.61 × 7,532,271.04
  4. Step 4: Simplify right side
    20,661,868.51x = 233,446,189,547,739.41
  5. Step 5: Solve for x
    x = 233,446,189,547,739.41/20,661,868.51
  6. Step 6: Final answer
    x = 11,298,406.50

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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.