Home / 21,009,685.80-31,514,528.70-14,844,970.20

Finding the Fourth Proportional to 21,009,685.80, 31,514,528.70 and 14,844,970.20

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Solution

The fourth proportional to 21,009,685.80, 31,514,528.70 and 14,844,970.20 is: 22,267,455.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,009,685.80 : 31,514,528.70 = 14,844,970.20 : x
  2. Step 2: Convert to fraction form
    21,009,685.80/31,514,528.70 = 14,844,970.20/x
  3. Step 3: Cross multiply
    21,009,685.80x = 31,514,528.70 × 14,844,970.20
  4. Step 4: Simplify right side
    21,009,685.80x = 467,832,239,418,544.69
  5. Step 5: Solve for x
    x = 467,832,239,418,544.69/21,009,685.80
  6. Step 6: Final answer
    x = 22,267,455.30

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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.