Home / 20,724,225.42-28,599,458.63-11,431,585.87

Finding the Fourth Proportional to 20,724,225.42, 28,599,458.63 and 11,431,585.87

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Solution

The fourth proportional to 20,724,225.42, 28,599,458.63 and 11,431,585.87 is: 15,775,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,724,225.42 : 28,599,458.63 = 11,431,585.87 : x
  2. Step 2: Convert to fraction form
    20,724,225.42/28,599,458.63 = 11,431,585.87/x
  3. Step 3: Cross multiply
    20,724,225.42x = 28,599,458.63 × 11,431,585.87
  4. Step 4: Simplify right side
    20,724,225.42x = 326,937,167,164,357.50
  5. Step 5: Solve for x
    x = 326,937,167,164,357.50/20,724,225.42
  6. Step 6: Final answer
    x = 15,775,603.70

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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.