Home / 12,672,006.60-19,008,009.90-7,003,302.60

Finding the Fourth Proportional to 12,672,006.60, 19,008,009.90 and 7,003,302.60

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Solution

The fourth proportional to 12,672,006.60, 19,008,009.90 and 7,003,302.60 is: 10,504,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,006.60 : 19,008,009.90 = 7,003,302.60 : x
  2. Step 2: Convert to fraction form
    12,672,006.60/19,008,009.90 = 7,003,302.60/x
  3. Step 3: Cross multiply
    12,672,006.60x = 19,008,009.90 × 7,003,302.60
  4. Step 4: Simplify right side
    12,672,006.60x = 133,118,845,153,495.72
  5. Step 5: Solve for x
    x = 133,118,845,153,495.72/12,672,006.60
  6. Step 6: Final answer
    x = 10,504,953.90

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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.