Home / 21,060,273-31,590,409.50-5,103,921

Finding the Fourth Proportional to 21,060,273, 31,590,409.50 and 5,103,921

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Solution

The fourth proportional to 21,060,273, 31,590,409.50 and 5,103,921 is: 7,655,881.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,060,273 : 31,590,409.50 = 5,103,921 : x
  2. Step 2: Convert to fraction form
    21,060,273/31,590,409.50 = 5,103,921/x
  3. Step 3: Cross multiply
    21,060,273x = 31,590,409.50 × 5,103,921
  4. Step 4: Simplify right side
    21,060,273x = 161,234,954,445,649.50
  5. Step 5: Solve for x
    x = 161,234,954,445,649.50/21,060,273
  6. Step 6: Final answer
    x = 7,655,881.50

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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.