Home / 12,768,459.16-17,620,898.34-6,967,559.08

Finding the Fourth Proportional to 12,768,459.16, 17,620,898.34 and 6,967,559.08

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Solution

The fourth proportional to 12,768,459.16, 17,620,898.34 and 6,967,559.08 is: 9,615,463.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768,459.16 : 17,620,898.34 = 6,967,559.08 : x
  2. Step 2: Convert to fraction form
    12,768,459.16/17,620,898.34 = 6,967,559.08/x
  3. Step 3: Cross multiply
    12,768,459.16x = 17,620,898.34 × 6,967,559.08
  4. Step 4: Simplify right side
    12,768,459.16x = 122,774,650,226,623.92
  5. Step 5: Solve for x
    x = 122,774,650,226,623.92/12,768,459.16
  6. Step 6: Final answer
    x = 9,615,463.28

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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.