Home / 30,007,918.52-45,011,878.32-7,288,662.68

Finding the Fourth Proportional to 30,007,918.52, 45,011,878.32 and 7,288,662.68

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Solution

The fourth proportional to 30,007,918.52, 45,011,878.32 and 7,288,662.68 is: 10,932,994.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,007,918.52 : 45,011,878.32 = 7,288,662.68 : x
  2. Step 2: Convert to fraction form
    30,007,918.52/45,011,878.32 = 7,288,662.68/x
  3. Step 3: Cross multiply
    30,007,918.52x = 45,011,878.32 × 7,288,662.68
  4. Step 4: Simplify right side
    30,007,918.52x = 328,076,397,667,685.06
  5. Step 5: Solve for x
    x = 328,076,397,667,685.06/30,007,918.52
  6. Step 6: Final answer
    x = 10,932,994.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.