Home / 13,590,500.59-18,754,893.89-7,478,929.09

Finding the Fourth Proportional to 13,590,500.59, 18,754,893.89 and 7,478,929.09

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Solution

The fourth proportional to 13,590,500.59, 18,754,893.89 and 7,478,929.09 is: 10,320,923.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,500.59 : 18,754,893.89 = 7,478,929.09 : x
  2. Step 2: Convert to fraction form
    13,590,500.59/18,754,893.89 = 7,478,929.09/x
  3. Step 3: Cross multiply
    13,590,500.59x = 18,754,893.89 × 7,478,929.09
  4. Step 4: Simplify right side
    13,590,500.59x = 140,266,521,493,784.27
  5. Step 5: Solve for x
    x = 140,266,521,493,784.27/13,590,500.59
  6. Step 6: Final answer
    x = 10,320,923.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.