Home / 19,288,053.70-28,932,080.55-8,499,801.40

Finding the Fourth Proportional to 19,288,053.70, 28,932,080.55 and 8,499,801.40

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Solution

The fourth proportional to 19,288,053.70, 28,932,080.55 and 8,499,801.40 is: 12,749,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288,053.70 : 28,932,080.55 = 8,499,801.40 : x
  2. Step 2: Convert to fraction form
    19,288,053.70/28,932,080.55 = 8,499,801.40/x
  3. Step 3: Cross multiply
    19,288,053.70x = 28,932,080.55 × 8,499,801.40
  4. Step 4: Simplify right side
    19,288,053.70x = 245,916,938,763,802.78
  5. Step 5: Solve for x
    x = 245,916,938,763,802.78/19,288,053.70
  6. Step 6: Final answer
    x = 12,749,702.10

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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.