Home / 28,066,512.90-42,099,769.35-12,949,968.90

Finding the Fourth Proportional to 28,066,512.90, 42,099,769.35 and 12,949,968.90

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Solution

The fourth proportional to 28,066,512.90, 42,099,769.35 and 12,949,968.90 is: 19,424,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,066,512.90 : 42,099,769.35 = 12,949,968.90 : x
  2. Step 2: Convert to fraction form
    28,066,512.90/42,099,769.35 = 12,949,968.90/x
  3. Step 3: Cross multiply
    28,066,512.90x = 42,099,769.35 × 12,949,968.90
  4. Step 4: Simplify right side
    28,066,512.90x = 545,190,703,779,673.25
  5. Step 5: Solve for x
    x = 545,190,703,779,673.25/28,066,512.90
  6. Step 6: Final answer
    x = 19,424,953.35

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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.