Home / 11,828,875.80-17,743,313.70-7,789,924.20

Finding the Fourth Proportional to 11,828,875.80, 17,743,313.70 and 7,789,924.20

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Solution

The fourth proportional to 11,828,875.80, 17,743,313.70 and 7,789,924.20 is: 11,684,886.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,828,875.80 : 17,743,313.70 = 7,789,924.20 : x
  2. Step 2: Convert to fraction form
    11,828,875.80/17,743,313.70 = 7,789,924.20/x
  3. Step 3: Cross multiply
    11,828,875.80x = 17,743,313.70 × 7,789,924.20
  4. Step 4: Simplify right side
    11,828,875.80x = 138,219,068,779,821.53
  5. Step 5: Solve for x
    x = 138,219,068,779,821.53/11,828,875.80
  6. Step 6: Final answer
    x = 11,684,886.30

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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.