Home / 21,050,600.40-31,575,900.60-19,475,960.40

Finding the Fourth Proportional to 21,050,600.40, 31,575,900.60 and 19,475,960.40

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Solution

The fourth proportional to 21,050,600.40, 31,575,900.60 and 19,475,960.40 is: 29,213,940.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,050,600.40 : 31,575,900.60 = 19,475,960.40 : x
  2. Step 2: Convert to fraction form
    21,050,600.40/31,575,900.60 = 19,475,960.40/x
  3. Step 3: Cross multiply
    21,050,600.40x = 31,575,900.60 × 19,475,960.40
  4. Step 4: Simplify right side
    21,050,600.40x = 614,970,989,679,936.25
  5. Step 5: Solve for x
    x = 614,970,989,679,936.25/21,050,600.40
  6. Step 6: Final answer
    x = 29,213,940.60

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1.5x scale

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.