Home / 19,010,430.40-28,494,650.40-10,496,876.80

Finding the Fourth Proportional to 19,010,430.40, 28,494,650.40 and 10,496,876.80

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Solution

The fourth proportional to 19,010,430.40, 28,494,650.40 and 10,496,876.80 is: 15,733,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010,430.40 : 28,494,650.40 = 10,496,876.80 : x
  2. Step 2: Convert to fraction form
    19,010,430.40/28,494,650.40 = 10,496,876.80/x
  3. Step 3: Cross multiply
    19,010,430.40x = 28,494,650.40 × 10,496,876.80
  4. Step 4: Simplify right side
    19,010,430.40x = 299,104,834,707,870.75
  5. Step 5: Solve for x
    x = 299,104,834,707,870.75/19,010,430.40
  6. Step 6: Final answer
    x = 15,733,722.40

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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.