Home / 20,645,889.59-30,966,833.25-6,269,083.76

Finding the Fourth Proportional to 20,645,889.59, 30,966,833.25 and 6,269,083.76

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Solution

The fourth proportional to 20,645,889.59, 30,966,833.25 and 6,269,083.76 is: 9,403,017.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,645,889.59 : 30,966,833.25 = 6,269,083.76 : x
  2. Step 2: Convert to fraction form
    20,645,889.59/30,966,833.25 = 6,269,083.76/x
  3. Step 3: Cross multiply
    20,645,889.59x = 30,966,833.25 × 6,269,083.76
  4. Step 4: Simplify right side
    20,645,889.59x = 194,133,671,271,368.84
  5. Step 5: Solve for x
    x = 194,133,671,271,368.84/20,645,889.59
  6. Step 6: Final answer
    x = 9,403,017.99

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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.