Home / 9,006,842.75-12,428,950.65-5,285,172.68

Finding the Fourth Proportional to 9,006,842.75, 12,428,950.65 and 5,285,172.68

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Solution

The fourth proportional to 9,006,842.75, 12,428,950.65 and 5,285,172.68 is: 7,293,249.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,006,842.75 : 12,428,950.65 = 5,285,172.68 : x
  2. Step 2: Convert to fraction form
    9,006,842.75/12,428,950.65 = 5,285,172.68/x
  3. Step 3: Cross multiply
    9,006,842.75x = 12,428,950.65 × 5,285,172.68
  4. Step 4: Simplify right side
    9,006,842.75x = 65,689,150,354,303.49
  5. Step 5: Solve for x
    x = 65,689,150,354,303.49/9,006,842.75
  6. Step 6: Final answer
    x = 7,293,249.39

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1.5x scale

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.