Home / 21,556,899.90-32,288,110.65-18,722,547.90

Finding the Fourth Proportional to 21,556,899.90, 32,288,110.65 and 18,722,547.90

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Solution

The fourth proportional to 21,556,899.90, 32,288,110.65 and 18,722,547.90 is: 28,042,793.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,556,899.90 : 32,288,110.65 = 18,722,547.90 : x
  2. Step 2: Convert to fraction form
    21,556,899.90/32,288,110.65 = 18,722,547.90/x
  3. Step 3: Cross multiply
    21,556,899.90x = 32,288,110.65 × 18,722,547.90
  4. Step 4: Simplify right side
    21,556,899.90x = 604,515,698,245,125
  5. Step 5: Solve for x
    x = 604,515,698,245,125/21,556,899.90
  6. Step 6: Final answer
    x = 28,042,793.77

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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.