Home / 5,107,386.80-7,048,147.56-2,815,547.52

Finding the Fourth Proportional to 5,107,386.80, 7,048,147.56 and 2,815,547.52

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Solution

The fourth proportional to 5,107,386.80, 7,048,147.56 and 2,815,547.52 is: 3,885,430.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,386.80 : 7,048,147.56 = 2,815,547.52 : x
  2. Step 2: Convert to fraction form
    5,107,386.80/7,048,147.56 = 2,815,547.52/x
  3. Step 3: Cross multiply
    5,107,386.80x = 7,048,147.56 × 2,815,547.52
  4. Step 4: Simplify right side
    5,107,386.80x = 19,844,394,383,152.05
  5. Step 5: Solve for x
    x = 19,844,394,383,152.05/5,107,386.80
  6. Step 6: Final answer
    x = 3,885,430.10

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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.