Home / 31,281,750.30-46,922,625.45-21,715,812.30

Finding the Fourth Proportional to 31,281,750.30, 46,922,625.45 and 21,715,812.30

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Solution

The fourth proportional to 31,281,750.30, 46,922,625.45 and 21,715,812.30 is: 32,573,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,281,750.30 : 46,922,625.45 = 21,715,812.30 : x
  2. Step 2: Convert to fraction form
    31,281,750.30/46,922,625.45 = 21,715,812.30/x
  3. Step 3: Cross multiply
    31,281,750.30x = 46,922,625.45 × 21,715,812.30
  4. Step 4: Simplify right side
    31,281,750.30x = 1,018,962,926,895,403.12
  5. Step 5: Solve for x
    x = 1,018,962,926,895,403.12/31,281,750.30
  6. Step 6: Final answer
    x = 32,573,718.45

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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.