Home / 30,113,355.62-45,169,942.71-8,547,975.56

Finding the Fourth Proportional to 30,113,355.62, 45,169,942.71 and 8,547,975.56

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Solution

The fourth proportional to 30,113,355.62, 45,169,942.71 and 8,547,975.56 is: 12,821,937.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,113,355.62 : 45,169,942.71 = 8,547,975.56 : x
  2. Step 2: Convert to fraction form
    30,113,355.62/45,169,942.71 = 8,547,975.56/x
  3. Step 3: Cross multiply
    30,113,355.62x = 45,169,942.71 × 8,547,975.56
  4. Step 4: Simplify right side
    30,113,355.62x = 386,111,566,476,659.94
  5. Step 5: Solve for x
    x = 386,111,566,476,659.94/30,113,355.62
  6. Step 6: Final answer
    x = 12,821,937.59

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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.