Home / 19,405,628.70-29,108,443.05-13,359,011.10

Finding the Fourth Proportional to 19,405,628.70, 29,108,443.05 and 13,359,011.10

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Solution

The fourth proportional to 19,405,628.70, 29,108,443.05 and 13,359,011.10 is: 20,038,516.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,405,628.70 : 29,108,443.05 = 13,359,011.10 : x
  2. Step 2: Convert to fraction form
    19,405,628.70/29,108,443.05 = 13,359,011.10/x
  3. Step 3: Cross multiply
    19,405,628.70x = 29,108,443.05 × 13,359,011.10
  4. Step 4: Simplify right side
    19,405,628.70x = 388,860,013,808,667.88
  5. Step 5: Solve for x
    x = 388,860,013,808,667.88/19,405,628.70
  6. Step 6: Final answer
    x = 20,038,516.65

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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.