Home / 21,856,590.20-32,788,821.90-9,078,386.60

Finding the Fourth Proportional to 21,856,590.20, 32,788,821.90 and 9,078,386.60

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Solution

The fourth proportional to 21,856,590.20, 32,788,821.90 and 9,078,386.60 is: 13,619,215.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,856,590.20 : 32,788,821.90 = 9,078,386.60 : x
  2. Step 2: Convert to fraction form
    21,856,590.20/32,788,821.90 = 9,078,386.60/x
  3. Step 3: Cross multiply
    21,856,590.20x = 32,788,821.90 × 9,078,386.60
  4. Step 4: Simplify right side
    21,856,590.20x = 297,669,601,366,746.50
  5. Step 5: Solve for x
    x = 297,669,601,366,746.50/21,856,590.20
  6. Step 6: Final answer
    x = 13,619,215.01

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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.