Home / 19,159,663.80-28,739,495.70-5,694,742.20

Finding the Fourth Proportional to 19,159,663.80, 28,739,495.70 and 5,694,742.20

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Solution

The fourth proportional to 19,159,663.80, 28,739,495.70 and 5,694,742.20 is: 8,542,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159,663.80 : 28,739,495.70 = 5,694,742.20 : x
  2. Step 2: Convert to fraction form
    19,159,663.80/28,739,495.70 = 5,694,742.20/x
  3. Step 3: Cross multiply
    19,159,663.80x = 28,739,495.70 × 5,694,742.20
  4. Step 4: Simplify right side
    19,159,663.80x = 163,664,018,969,508.53
  5. Step 5: Solve for x
    x = 163,664,018,969,508.53/19,159,663.80
  6. Step 6: Final answer
    x = 8,542,113.30

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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.