Home / 30,330,516.15-45,495,774.23-28,913,340.15

Finding the Fourth Proportional to 30,330,516.15, 45,495,774.23 and 28,913,340.15

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Solution

The fourth proportional to 30,330,516.15, 45,495,774.23 and 28,913,340.15 is: 43,370,010.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330,516.15 : 45,495,774.23 = 28,913,340.15 : x
  2. Step 2: Convert to fraction form
    30,330,516.15/45,495,774.23 = 28,913,340.15/x
  3. Step 3: Cross multiply
    30,330,516.15x = 45,495,774.23 × 28,913,340.15
  4. Step 4: Simplify right side
    30,330,516.15x = 1,315,434,795,555,027.50
  5. Step 5: Solve for x
    x = 1,315,434,795,555,027.50/30,330,516.15
  6. Step 6: Final answer
    x = 43,370,010.23

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Double scale
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1.5x scale

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.