Home / 8,123,926-11,211,017.88-4,502,487.28

Finding the Fourth Proportional to 8,123,926, 11,211,017.88 and 4,502,487.28

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Solution

The fourth proportional to 8,123,926, 11,211,017.88 and 4,502,487.28 is: 6,213,432.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123,926 : 11,211,017.88 = 4,502,487.28 : x
  2. Step 2: Convert to fraction form
    8,123,926/11,211,017.88 = 4,502,487.28/x
  3. Step 3: Cross multiply
    8,123,926x = 11,211,017.88 × 4,502,487.28
  4. Step 4: Simplify right side
    8,123,926x = 50,477,465,400,552.57
  5. Step 5: Solve for x
    x = 50,477,465,400,552.57/8,123,926
  6. Step 6: Final answer
    x = 6,213,432.45

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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.