Home / 28,081,914.64-42,124,447.68-7,885,582

Finding the Fourth Proportional to 28,081,914.64, 42,124,447.68 and 7,885,582

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Solution

The fourth proportional to 28,081,914.64, 42,124,447.68 and 7,885,582 is: 11,828,815.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,081,914.64 : 42,124,447.68 = 7,885,582 : x
  2. Step 2: Convert to fraction form
    28,081,914.64/42,124,447.68 = 7,885,582/x
  3. Step 3: Cross multiply
    28,081,914.64x = 42,124,447.68 × 7,885,582
  4. Step 4: Simplify right side
    28,081,914.64x = 332,175,786,385,349.75
  5. Step 5: Solve for x
    x = 332,175,786,385,349.75/28,081,914.64
  6. Step 6: Final answer
    x = 11,828,815.47

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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.