Home / 21,169,914.40-31,707,632.40-16,362,013.60

Finding the Fourth Proportional to 21,169,914.40, 31,707,632.40 and 16,362,013.60

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Solution

The fourth proportional to 21,169,914.40, 31,707,632.40 and 16,362,013.60 is: 24,506,509.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,169,914.40 : 31,707,632.40 = 16,362,013.60 : x
  2. Step 2: Convert to fraction form
    21,169,914.40/31,707,632.40 = 16,362,013.60/x
  3. Step 3: Cross multiply
    21,169,914.40x = 31,707,632.40 × 16,362,013.60
  4. Step 4: Simplify right side
    21,169,914.40x = 518,800,712,552,600.62
  5. Step 5: Solve for x
    x = 518,800,712,552,600.62/21,169,914.40
  6. Step 6: Final answer
    x = 24,506,509.70

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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.