Home / 7,144,459.74-9,853,922.43-4,942,985.58

Finding the Fourth Proportional to 7,144,459.74, 9,853,922.43 and 4,942,985.58

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Solution

The fourth proportional to 7,144,459.74, 9,853,922.43 and 4,942,985.58 is: 6,817,561.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144,459.74 : 9,853,922.43 = 4,942,985.58 : x
  2. Step 2: Convert to fraction form
    7,144,459.74/9,853,922.43 = 4,942,985.58/x
  3. Step 3: Cross multiply
    7,144,459.74x = 9,853,922.43 × 4,942,985.58
  4. Step 4: Simplify right side
    7,144,459.74x = 48,707,796,477,928.56
  5. Step 5: Solve for x
    x = 48,707,796,477,928.56/7,144,459.74
  6. Step 6: Final answer
    x = 6,817,561.89

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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.