Home / 14,185,965.40-21,278,948.10-8,512,595.80

Finding the Fourth Proportional to 14,185,965.40, 21,278,948.10 and 8,512,595.80

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Solution

The fourth proportional to 14,185,965.40, 21,278,948.10 and 8,512,595.80 is: 12,768,893.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,185,965.40 : 21,278,948.10 = 8,512,595.80 : x
  2. Step 2: Convert to fraction form
    14,185,965.40/21,278,948.10 = 8,512,595.80/x
  3. Step 3: Cross multiply
    14,185,965.40x = 21,278,948.10 × 8,512,595.80
  4. Step 4: Simplify right side
    14,185,965.40x = 181,139,084,224,478
  5. Step 5: Solve for x
    x = 181,139,084,224,478/14,185,965.40
  6. Step 6: Final answer
    x = 12,768,893.70

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Double scale
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Similar ratio
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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.