Home / 10,139,569.62-15,135,596.44-9,390,237.81

Finding the Fourth Proportional to 10,139,569.62, 15,135,596.44 and 9,390,237.81

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Solution

The fourth proportional to 10,139,569.62, 15,135,596.44 and 9,390,237.81 is: 14,017,049.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,139,569.62 : 15,135,596.44 = 9,390,237.81 : x
  2. Step 2: Convert to fraction form
    10,139,569.62/15,135,596.44 = 9,390,237.81/x
  3. Step 3: Cross multiply
    10,139,569.62x = 15,135,596.44 × 9,390,237.81
  4. Step 4: Simplify right side
    10,139,569.62x = 142,126,849,967,789.41
  5. Step 5: Solve for x
    x = 142,126,849,967,789.41/10,139,569.62
  6. Step 6: Final answer
    x = 14,017,049.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.