Home / 21,006,026.60-31,509,039.90-5,049,674.60

Finding the Fourth Proportional to 21,006,026.60, 31,509,039.90 and 5,049,674.60

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Solution

The fourth proportional to 21,006,026.60, 31,509,039.90 and 5,049,674.60 is: 7,574,511.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,006,026.60 : 31,509,039.90 = 5,049,674.60 : x
  2. Step 2: Convert to fraction form
    21,006,026.60/31,509,039.90 = 5,049,674.60/x
  3. Step 3: Cross multiply
    21,006,026.60x = 31,509,039.90 × 5,049,674.60
  4. Step 4: Simplify right side
    21,006,026.60x = 159,110,398,453,416.53
  5. Step 5: Solve for x
    x = 159,110,398,453,416.53/21,006,026.60
  6. Step 6: Final answer
    x = 7,574,511.90

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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.