Home / 30,859,709.28-46,297,260.88-21,779,543.68

Finding the Fourth Proportional to 30,859,709.28, 46,297,260.88 and 21,779,543.68

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Solution

The fourth proportional to 30,859,709.28, 46,297,260.88 and 21,779,543.68 is: 32,674,747.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,859,709.28 : 46,297,260.88 = 21,779,543.68 : x
  2. Step 2: Convert to fraction form
    30,859,709.28/46,297,260.88 = 21,779,543.68/x
  3. Step 3: Cross multiply
    30,859,709.28x = 46,297,260.88 × 21,779,543.68
  4. Step 4: Simplify right side
    30,859,709.28x = 1,008,333,215,600,315.25
  5. Step 5: Solve for x
    x = 1,008,333,215,600,315.25/30,859,709.28
  6. Step 6: Final answer
    x = 32,674,747.73

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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.