Home / 38,634,133.60-57,951,200.40-11,709,128.80

Finding the Fourth Proportional to 38,634,133.60, 57,951,200.40 and 11,709,128.80

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Solution

The fourth proportional to 38,634,133.60, 57,951,200.40 and 11,709,128.80 is: 17,563,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,634,133.60 : 57,951,200.40 = 11,709,128.80 : x
  2. Step 2: Convert to fraction form
    38,634,133.60/57,951,200.40 = 11,709,128.80/x
  3. Step 3: Cross multiply
    38,634,133.60x = 57,951,200.40 × 11,709,128.80
  4. Step 4: Simplify right side
    38,634,133.60x = 678,558,069,598,211.50
  5. Step 5: Solve for x
    x = 678,558,069,598,211.50/38,634,133.60
  6. Step 6: Final answer
    x = 17,563,693.20

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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.