Home / 28,736,244-39,689,005.50-20,930,532.12

Finding the Fourth Proportional to 28,736,244, 39,689,005.50 and 20,930,532.12

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Solution

The fourth proportional to 28,736,244, 39,689,005.50 and 20,930,532.12 is: 28,908,162.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,736,244 : 39,689,005.50 = 20,930,532.12 : x
  2. Step 2: Convert to fraction form
    28,736,244/39,689,005.50 = 20,930,532.12/x
  3. Step 3: Cross multiply
    28,736,244x = 39,689,005.50 × 20,930,532.12
  4. Step 4: Simplify right side
    28,736,244x = 830,712,004,428,606.75
  5. Step 5: Solve for x
    x = 830,712,004,428,606.75/28,736,244
  6. Step 6: Final answer
    x = 28,908,162.26

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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.