Home / 21,169,911.90-31,707,628.65-16,362,011.10

Finding the Fourth Proportional to 21,169,911.90, 31,707,628.65 and 16,362,011.10

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Solution

The fourth proportional to 21,169,911.90, 31,707,628.65 and 16,362,011.10 is: 24,506,505.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,169,911.90 : 31,707,628.65 = 16,362,011.10 : x
  2. Step 2: Convert to fraction form
    21,169,911.90/31,707,628.65 = 16,362,011.10/x
  3. Step 3: Cross multiply
    21,169,911.90x = 31,707,628.65 × 16,362,011.10
  4. Step 4: Simplify right side
    21,169,911.90x = 518,800,571,925,978
  5. Step 5: Solve for x
    x = 518,800,571,925,978/21,169,911.90
  6. Step 6: Final answer
    x = 24,506,505.95

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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.