Home / 21,009,688.30-31,514,532.45-14,844,972.70

Finding the Fourth Proportional to 21,009,688.30, 31,514,532.45 and 14,844,972.70

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Solution

The fourth proportional to 21,009,688.30, 31,514,532.45 and 14,844,972.70 is: 22,267,459.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,009,688.30 : 31,514,532.45 = 14,844,972.70 : x
  2. Step 2: Convert to fraction form
    21,009,688.30/31,514,532.45 = 14,844,972.70/x
  3. Step 3: Cross multiply
    21,009,688.30x = 31,514,532.45 × 14,844,972.70
  4. Step 4: Simplify right side
    21,009,688.30x = 467,832,373,873,514.06
  5. Step 5: Solve for x
    x = 467,832,373,873,514.06/21,009,688.30
  6. Step 6: Final answer
    x = 22,267,459.05

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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.