Home / 10,605,679.22-15,905,615.41-2,927,488.54

Finding the Fourth Proportional to 10,605,679.22, 15,905,615.41 and 2,927,488.54

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Solution

The fourth proportional to 10,605,679.22, 15,905,615.41 and 2,927,488.54 is: 4,390,431.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,605,679.22 : 15,905,615.41 = 2,927,488.54 : x
  2. Step 2: Convert to fraction form
    10,605,679.22/15,905,615.41 = 2,927,488.54/x
  3. Step 3: Cross multiply
    10,605,679.22x = 15,905,615.41 × 2,927,488.54
  4. Step 4: Simplify right side
    10,605,679.22x = 46,563,506,798,317.73
  5. Step 5: Solve for x
    x = 46,563,506,798,317.73/10,605,679.22
  6. Step 6: Final answer
    x = 4,390,431.38

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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.