Home / 28,988,389.71-43,481,446.53-9,819,146.10

Finding the Fourth Proportional to 28,988,389.71, 43,481,446.53 and 9,819,146.10

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Solution

The fourth proportional to 28,988,389.71, 43,481,446.53 and 9,819,146.10 is: 14,728,333.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,988,389.71 : 43,481,446.53 = 9,819,146.10 : x
  2. Step 2: Convert to fraction form
    28,988,389.71/43,481,446.53 = 9,819,146.10/x
  3. Step 3: Cross multiply
    28,988,389.71x = 43,481,446.53 × 9,819,146.10
  4. Step 4: Simplify right side
    28,988,389.71x = 426,950,676,117,408
  5. Step 5: Solve for x
    x = 426,950,676,117,408/28,988,389.71
  6. Step 6: Final answer
    x = 14,728,333.67

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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.