Home / 21,051,990.16-31,545,436.10-16,430,017.37

Finding the Fourth Proportional to 21,051,990.16, 31,545,436.10 and 16,430,017.37

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Solution

The fourth proportional to 21,051,990.16, 31,545,436.10 and 16,430,017.37 is: 24,619,623.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,051,990.16 : 31,545,436.10 = 16,430,017.37 : x
  2. Step 2: Convert to fraction form
    21,051,990.16/31,545,436.10 = 16,430,017.37/x
  3. Step 3: Cross multiply
    21,051,990.16x = 31,545,436.10 × 16,430,017.37
  4. Step 4: Simplify right side
    21,051,990.16x = 518,292,062,827,347.75
  5. Step 5: Solve for x
    x = 518,292,062,827,347.75/21,051,990.16
  6. Step 6: Final answer
    x = 24,619,623.08

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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.