Home / 13,152,021.20-19,700,038.20-10,912,533.20

Finding the Fourth Proportional to 13,152,021.20, 19,700,038.20 and 10,912,533.20

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Solution

The fourth proportional to 13,152,021.20, 19,700,038.20 and 10,912,533.20 is: 16,345,572.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152,021.20 : 19,700,038.20 = 10,912,533.20 : x
  2. Step 2: Convert to fraction form
    13,152,021.20/19,700,038.20 = 10,912,533.20/x
  3. Step 3: Cross multiply
    13,152,021.20x = 19,700,038.20 × 10,912,533.20
  4. Step 4: Simplify right side
    13,152,021.20x = 214,977,320,898,768.22
  5. Step 5: Solve for x
    x = 214,977,320,898,768.22/13,152,021.20
  6. Step 6: Final answer
    x = 16,345,572.87

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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.