Home / 21,453,790.20-32,180,685.30-14,651,345.40

Finding the Fourth Proportional to 21,453,790.20, 32,180,685.30 and 14,651,345.40

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Solution

The fourth proportional to 21,453,790.20, 32,180,685.30 and 14,651,345.40 is: 21,977,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,453,790.20 : 32,180,685.30 = 14,651,345.40 : x
  2. Step 2: Convert to fraction form
    21,453,790.20/32,180,685.30 = 14,651,345.40/x
  3. Step 3: Cross multiply
    21,453,790.20x = 32,180,685.30 × 14,651,345.40
  4. Step 4: Simplify right side
    21,453,790.20x = 471,490,335,539,002.62
  5. Step 5: Solve for x
    x = 471,490,335,539,002.62/21,453,790.20
  6. Step 6: Final answer
    x = 21,977,018.10

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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.