Home / 28,317,097.60-42,497,764.80-13,172,905.60

Finding the Fourth Proportional to 28,317,097.60, 42,497,764.80 and 13,172,905.60

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Solution

The fourth proportional to 28,317,097.60, 42,497,764.80 and 13,172,905.60 is: 19,769,647.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,317,097.60 : 42,497,764.80 = 13,172,905.60 : x
  2. Step 2: Convert to fraction form
    28,317,097.60/42,497,764.80 = 13,172,905.60/x
  3. Step 3: Cross multiply
    28,317,097.60x = 42,497,764.80 × 13,172,905.60
  4. Step 4: Simplify right side
    28,317,097.60x = 559,819,043,921,402.81
  5. Step 5: Solve for x
    x = 559,819,043,921,402.81/28,317,097.60
  6. Step 6: Final answer
    x = 19,769,647.72

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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.