Home / 20,323,216.41-28,045,686.69-11,030,587.08

Finding the Fourth Proportional to 20,323,216.41, 28,045,686.69 and 11,030,587.08

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Solution

The fourth proportional to 20,323,216.41, 28,045,686.69 and 11,030,587.08 is: 15,222,019.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,323,216.41 : 28,045,686.69 = 11,030,587.08 : x
  2. Step 2: Convert to fraction form
    20,323,216.41/28,045,686.69 = 11,030,587.08/x
  3. Step 3: Cross multiply
    20,323,216.41x = 28,045,686.69 × 11,030,587.08
  4. Step 4: Simplify right side
    20,323,216.41x = 309,360,389,252,442
  5. Step 5: Solve for x
    x = 309,360,389,252,442/20,323,216.41
  6. Step 6: Final answer
    x = 15,222,019.14

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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.