Home / 8,020,421.70-12,030,632.55-6,130,853.70

Finding the Fourth Proportional to 8,020,421.70, 12,030,632.55 and 6,130,853.70

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Solution

The fourth proportional to 8,020,421.70, 12,030,632.55 and 6,130,853.70 is: 9,196,280.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020,421.70 : 12,030,632.55 = 6,130,853.70 : x
  2. Step 2: Convert to fraction form
    8,020,421.70/12,030,632.55 = 6,130,853.70/x
  3. Step 3: Cross multiply
    8,020,421.70x = 12,030,632.55 × 6,130,853.70
  4. Step 4: Simplify right side
    8,020,421.70x = 73,758,048,082,507.94
  5. Step 5: Solve for x
    x = 73,758,048,082,507.94/8,020,421.70
  6. Step 6: Final answer
    x = 9,196,280.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.