Home / 7,137,038.68-9,848,848.36-3,873,783.18

Finding the Fourth Proportional to 7,137,038.68, 9,848,848.36 and 3,873,783.18

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Solution

The fourth proportional to 7,137,038.68, 9,848,848.36 and 3,873,783.18 is: 5,345,676.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,038.68 : 9,848,848.36 = 3,873,783.18 : x
  2. Step 2: Convert to fraction form
    7,137,038.68/9,848,848.36 = 3,873,783.18/x
  3. Step 3: Cross multiply
    7,137,038.68x = 9,848,848.36 × 3,873,783.18
  4. Step 4: Simplify right side
    7,137,038.68x = 38,152,303,119,338.59
  5. Step 5: Solve for x
    x = 38,152,303,119,338.59/7,137,038.68
  6. Step 6: Final answer
    x = 5,345,676.94

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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.