Home / 19,009,820.20-28,514,730.30-7,047,221.80

Finding the Fourth Proportional to 19,009,820.20, 28,514,730.30 and 7,047,221.80

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Solution

The fourth proportional to 19,009,820.20, 28,514,730.30 and 7,047,221.80 is: 10,570,832.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009,820.20 : 28,514,730.30 = 7,047,221.80 : x
  2. Step 2: Convert to fraction form
    19,009,820.20/28,514,730.30 = 7,047,221.80/x
  3. Step 3: Cross multiply
    19,009,820.20x = 28,514,730.30 × 7,047,221.80
  4. Step 4: Simplify right side
    19,009,820.20x = 200,949,628,991,280.53
  5. Step 5: Solve for x
    x = 200,949,628,991,280.53/19,009,820.20
  6. Step 6: Final answer
    x = 10,570,832.70

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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.