Home / 38,085,656.70-57,128,485.05-11,159,312.70

Finding the Fourth Proportional to 38,085,656.70, 57,128,485.05 and 11,159,312.70

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Solution

The fourth proportional to 38,085,656.70, 57,128,485.05 and 11,159,312.70 is: 16,738,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,085,656.70 : 57,128,485.05 = 11,159,312.70 : x
  2. Step 2: Convert to fraction form
    38,085,656.70/57,128,485.05 = 11,159,312.70/x
  3. Step 3: Cross multiply
    38,085,656.70x = 57,128,485.05 × 11,159,312.70
  4. Step 4: Simplify right side
    38,085,656.70x = 637,514,628,750,225
  5. Step 5: Solve for x
    x = 637,514,628,750,225/38,085,656.70
  6. Step 6: Final answer
    x = 16,738,969.05

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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.