Home / 13,148,424.66-18,144,477.94-7,347,254.07

Finding the Fourth Proportional to 13,148,424.66, 18,144,477.94 and 7,347,254.07

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Solution

The fourth proportional to 13,148,424.66, 18,144,477.94 and 7,347,254.07 is: 10,139,016.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148,424.66 : 18,144,477.94 = 7,347,254.07 : x
  2. Step 2: Convert to fraction form
    13,148,424.66/18,144,477.94 = 7,347,254.07/x
  3. Step 3: Cross multiply
    13,148,424.66x = 18,144,477.94 × 7,347,254.07
  4. Step 4: Simplify right side
    13,148,424.66x = 133,312,089,392,690.23
  5. Step 5: Solve for x
    x = 133,312,089,392,690.23/13,148,424.66
  6. Step 6: Final answer
    x = 10,139,016.11

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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.