Home / 21,919,834.44-30,249,430.36-12,130,953.66

Finding the Fourth Proportional to 21,919,834.44, 30,249,430.36 and 12,130,953.66

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Solution

The fourth proportional to 21,919,834.44, 30,249,430.36 and 12,130,953.66 is: 16,740,748.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,919,834.44 : 30,249,430.36 = 12,130,953.66 : x
  2. Step 2: Convert to fraction form
    21,919,834.44/30,249,430.36 = 12,130,953.66/x
  3. Step 3: Cross multiply
    21,919,834.44x = 30,249,430.36 × 12,130,953.66
  4. Step 4: Simplify right side
    21,919,834.44x = 366,954,437,908,229.75
  5. Step 5: Solve for x
    x = 366,954,437,908,229.75/21,919,834.44
  6. Step 6: Final answer
    x = 16,740,748.61

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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.