Home / 11,657,430.60-17,486,145.90-8,256,208.20

Finding the Fourth Proportional to 11,657,430.60, 17,486,145.90 and 8,256,208.20

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Solution

The fourth proportional to 11,657,430.60, 17,486,145.90 and 8,256,208.20 is: 12,384,312.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657,430.60 : 17,486,145.90 = 8,256,208.20 : x
  2. Step 2: Convert to fraction form
    11,657,430.60/17,486,145.90 = 8,256,208.20/x
  3. Step 3: Cross multiply
    11,657,430.60x = 17,486,145.90 × 8,256,208.20
  4. Step 4: Simplify right side
    11,657,430.60x = 144,369,261,165,976.38
  5. Step 5: Solve for x
    x = 144,369,261,165,976.38/11,657,430.60
  6. Step 6: Final answer
    x = 12,384,312.30

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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.