Home / 30,578,071.90-45,867,095.08-11,148,752.96

Finding the Fourth Proportional to 30,578,071.90, 45,867,095.08 and 11,148,752.96

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Solution

The fourth proportional to 30,578,071.90, 45,867,095.08 and 11,148,752.96 is: 16,723,124.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,578,071.90 : 45,867,095.08 = 11,148,752.96 : x
  2. Step 2: Convert to fraction form
    30,578,071.90/45,867,095.08 = 11,148,752.96/x
  3. Step 3: Cross multiply
    30,578,071.90x = 45,867,095.08 × 11,148,752.96
  4. Step 4: Simplify right side
    30,578,071.90x = 511,360,912,039,751.44
  5. Step 5: Solve for x
    x = 511,360,912,039,751.44/30,578,071.90
  6. Step 6: Final answer
    x = 16,723,124.78

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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.