Home / 9,042,519.69-12,478,691.94-4,912,567.02

Finding the Fourth Proportional to 9,042,519.69, 12,478,691.94 and 4,912,567.02

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Solution

The fourth proportional to 9,042,519.69, 12,478,691.94 and 4,912,567.02 is: 6,779,350.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042,519.69 : 12,478,691.94 = 4,912,567.02 : x
  2. Step 2: Convert to fraction form
    9,042,519.69/12,478,691.94 = 4,912,567.02/x
  3. Step 3: Cross multiply
    9,042,519.69x = 12,478,691.94 × 4,912,567.02
  4. Step 4: Simplify right side
    9,042,519.69x = 61,302,410,477,183.81
  5. Step 5: Solve for x
    x = 61,302,410,477,183.81/9,042,519.69
  6. Step 6: Final answer
    x = 6,779,350.51

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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.