Home / 13,294,354.50-18,346,172.96-7,413,995.07

Finding the Fourth Proportional to 13,294,354.50, 18,346,172.96 and 7,413,995.07

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Solution

The fourth proportional to 13,294,354.50, 18,346,172.96 and 7,413,995.07 is: 10,231,292.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294,354.50 : 18,346,172.96 = 7,413,995.07 : x
  2. Step 2: Convert to fraction form
    13,294,354.50/18,346,172.96 = 7,413,995.07/x
  3. Step 3: Cross multiply
    13,294,354.50x = 18,346,172.96 × 7,413,995.07
  4. Step 4: Simplify right side
    13,294,354.50x = 136,018,435,841,737.33
  5. Step 5: Solve for x
    x = 136,018,435,841,737.33/13,294,354.50
  6. Step 6: Final answer
    x = 10,231,292.98

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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.