Home / 43,356,124.98-65,027,857.02-12,642,451.02

Finding the Fourth Proportional to 43,356,124.98, 65,027,857.02 and 12,642,451.02

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Solution

The fourth proportional to 43,356,124.98, 65,027,857.02 and 12,642,451.02 is: 18,961,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,356,124.98 : 65,027,857.02 = 12,642,451.02 : x
  2. Step 2: Convert to fraction form
    43,356,124.98/65,027,857.02 = 12,642,451.02/x
  3. Step 3: Cross multiply
    43,356,124.98x = 65,027,857.02 × 12,642,451.02
  4. Step 4: Simplify right side
    43,356,124.98x = 822,111,497,473,482.88
  5. Step 5: Solve for x
    x = 822,111,497,473,482.88/43,356,124.98
  6. Step 6: Final answer
    x = 18,961,830.60

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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.