Home / 20,670,312.30-31,005,468.45-14,505,596.70

Finding the Fourth Proportional to 20,670,312.30, 31,005,468.45 and 14,505,596.70

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Solution

The fourth proportional to 20,670,312.30, 31,005,468.45 and 14,505,596.70 is: 21,758,395.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,670,312.30 : 31,005,468.45 = 14,505,596.70 : x
  2. Step 2: Convert to fraction form
    20,670,312.30/31,005,468.45 = 14,505,596.70/x
  3. Step 3: Cross multiply
    20,670,312.30x = 31,005,468.45 × 14,505,596.70
  4. Step 4: Simplify right side
    20,670,312.30x = 449,752,820,830,274.06
  5. Step 5: Solve for x
    x = 449,752,820,830,274.06/20,670,312.30
  6. Step 6: Final answer
    x = 21,758,395.05

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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.