Home / 21,063,453.40-31,596,929.70-6,686,115.40

Finding the Fourth Proportional to 21,063,453.40, 31,596,929.70 and 6,686,115.40

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Solution

The fourth proportional to 21,063,453.40, 31,596,929.70 and 6,686,115.40 is: 10,029,728.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,063,453.40 : 31,596,929.70 = 6,686,115.40 : x
  2. Step 2: Convert to fraction form
    21,063,453.40/31,596,929.70 = 6,686,115.40/x
  3. Step 3: Cross multiply
    21,063,453.40x = 31,596,929.70 × 6,686,115.40
  4. Step 4: Simplify right side
    21,063,453.40x = 211,260,718,259,887.38
  5. Step 5: Solve for x
    x = 211,260,718,259,887.38/21,063,453.40
  6. Step 6: Final answer
    x = 10,029,728.47

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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.