Home / 38,089,928.04-52,564,409.52-20,686,397.82

Finding the Fourth Proportional to 38,089,928.04, 52,564,409.52 and 20,686,397.82

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Solution

The fourth proportional to 38,089,928.04, 52,564,409.52 and 20,686,397.82 is: 28,547,396.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,089,928.04 : 52,564,409.52 = 20,686,397.82 : x
  2. Step 2: Convert to fraction form
    38,089,928.04/52,564,409.52 = 20,686,397.82/x
  3. Step 3: Cross multiply
    38,089,928.04x = 52,564,409.52 × 20,686,397.82
  4. Step 4: Simplify right side
    38,089,928.04x = 1,087,368,286,504,115.38
  5. Step 5: Solve for x
    x = 1,087,368,286,504,115.38/38,089,928.04
  6. Step 6: Final answer
    x = 28,547,396.71

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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.