Home / 30,020,792.56-45,034,832.72-8,455,394.16

Finding the Fourth Proportional to 30,020,792.56, 45,034,832.72 and 8,455,394.16

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Solution

The fourth proportional to 30,020,792.56, 45,034,832.72 and 8,455,394.16 is: 12,684,117.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,020,792.56 : 45,034,832.72 = 8,455,394.16 : x
  2. Step 2: Convert to fraction form
    30,020,792.56/45,034,832.72 = 8,455,394.16/x
  3. Step 3: Cross multiply
    30,020,792.56x = 45,034,832.72 × 8,455,394.16
  4. Step 4: Simplify right side
    30,020,792.56x = 380,787,261,577,264.94
  5. Step 5: Solve for x
    x = 380,787,261,577,264.94/30,020,792.56
  6. Step 6: Final answer
    x = 12,684,117.54

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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.