Home / 15,048,836.75-20,767,501-8,173,318.81

Finding the Fourth Proportional to 15,048,836.75, 20,767,501 and 8,173,318.81

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Solution

The fourth proportional to 15,048,836.75, 20,767,501 and 8,173,318.81 is: 11,279,237.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,048,836.75 : 20,767,501 = 8,173,318.81 : x
  2. Step 2: Convert to fraction form
    15,048,836.75/20,767,501 = 8,173,318.81/x
  3. Step 3: Cross multiply
    15,048,836.75x = 20,767,501 × 8,173,318.81
  4. Step 4: Simplify right side
    15,048,836.75x = 169,739,406,559,993.81
  5. Step 5: Solve for x
    x = 169,739,406,559,993.81/15,048,836.75
  6. Step 6: Final answer
    x = 11,279,237.68

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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.