Home / 9,642,248.78-13,306,466.63-5,291,739.86

Finding the Fourth Proportional to 9,642,248.78, 13,306,466.63 and 5,291,739.86

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Solution

The fourth proportional to 9,642,248.78, 13,306,466.63 and 5,291,739.86 is: 7,302,690.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,642,248.78 : 13,306,466.63 = 5,291,739.86 : x
  2. Step 2: Convert to fraction form
    9,642,248.78/13,306,466.63 = 5,291,739.86/x
  3. Step 3: Cross multiply
    9,642,248.78x = 13,306,466.63 × 5,291,739.86
  4. Step 4: Simplify right side
    9,642,248.78x = 70,414,359,808,427.89
  5. Step 5: Solve for x
    x = 70,414,359,808,427.89/9,642,248.78
  6. Step 6: Final answer
    x = 7,302,690.63

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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.