Home / 28,759,281.68-39,688,788-17,008,622.92

Finding the Fourth Proportional to 28,759,281.68, 39,688,788 and 17,008,622.92

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Solution

The fourth proportional to 28,759,281.68, 39,688,788 and 17,008,622.92 is: 23,472,478.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,759,281.68 : 39,688,788 = 17,008,622.92 : x
  2. Step 2: Convert to fraction form
    28,759,281.68/39,688,788 = 17,008,622.92/x
  3. Step 3: Cross multiply
    28,759,281.68x = 39,688,788 × 17,008,622.92
  4. Step 4: Simplify right side
    28,759,281.68x = 675,051,629,243,821
  5. Step 5: Solve for x
    x = 675,051,629,243,821/28,759,281.68
  6. Step 6: Final answer
    x = 23,472,478.79

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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.