Home / 38,018,666.60-57,027,999.90-12,453,511.40

Finding the Fourth Proportional to 38,018,666.60, 57,027,999.90 and 12,453,511.40

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Solution

The fourth proportional to 38,018,666.60, 57,027,999.90 and 12,453,511.40 is: 18,680,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,018,666.60 : 57,027,999.90 = 12,453,511.40 : x
  2. Step 2: Convert to fraction form
    38,018,666.60/57,027,999.90 = 12,453,511.40/x
  3. Step 3: Cross multiply
    38,018,666.60x = 57,027,999.90 × 12,453,511.40
  4. Step 4: Simplify right side
    38,018,666.60x = 710,198,846,873,848.88
  5. Step 5: Solve for x
    x = 710,198,846,873,848.88/38,018,666.60
  6. Step 6: Final answer
    x = 18,680,267.10

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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.