Home / 6,985,478.90-9,634,764.57-6,168,240.74

Finding the Fourth Proportional to 6,985,478.90, 9,634,764.57 and 6,168,240.74

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Solution

The fourth proportional to 6,985,478.90, 9,634,764.57 and 6,168,240.74 is: 8,507,583.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985,478.90 : 9,634,764.57 = 6,168,240.74 : x
  2. Step 2: Convert to fraction form
    6,985,478.90/9,634,764.57 = 6,168,240.74/x
  3. Step 3: Cross multiply
    6,985,478.90x = 9,634,764.57 × 6,168,240.74
  4. Step 4: Simplify right side
    6,985,478.90x = 59,429,547,340,982.59
  5. Step 5: Solve for x
    x = 59,429,547,340,982.59/6,985,478.90
  6. Step 6: Final answer
    x = 8,507,583.83

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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.