Home / 14,914,700.16-20,579,914.80-8,387,069.04

Finding the Fourth Proportional to 14,914,700.16, 20,579,914.80 and 8,387,069.04

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Solution

The fourth proportional to 14,914,700.16, 20,579,914.80 and 8,387,069.04 is: 11,572,821.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,914,700.16 : 20,579,914.80 = 8,387,069.04 : x
  2. Step 2: Convert to fraction form
    14,914,700.16/20,579,914.80 = 8,387,069.04/x
  3. Step 3: Cross multiply
    14,914,700.16x = 20,579,914.80 × 8,387,069.04
  4. Step 4: Simplify right side
    14,914,700.16x = 172,605,166,264,917.81
  5. Step 5: Solve for x
    x = 172,605,166,264,917.81/14,914,700.16
  6. Step 6: Final answer
    x = 11,572,821.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.