Home / 30,143,730.93-45,221,570.55-8,579,181.93

Finding the Fourth Proportional to 30,143,730.93, 45,221,570.55 and 8,579,181.93

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Solution

The fourth proportional to 30,143,730.93, 45,221,570.55 and 8,579,181.93 is: 12,870,473.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,143,730.93 : 45,221,570.55 = 8,579,181.93 : x
  2. Step 2: Convert to fraction form
    30,143,730.93/45,221,570.55 = 8,579,181.93/x
  3. Step 3: Cross multiply
    30,143,730.93x = 45,221,570.55 × 8,579,181.93
  4. Step 4: Simplify right side
    30,143,730.93x = 387,964,080,908,780.12
  5. Step 5: Solve for x
    x = 387,964,080,908,780.12/30,143,730.93
  6. Step 6: Final answer
    x = 12,870,473.19

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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.