Home / 21,400,051.60-32,100,077.40-12,876,000.40

Finding the Fourth Proportional to 21,400,051.60, 32,100,077.40 and 12,876,000.40

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Solution

The fourth proportional to 21,400,051.60, 32,100,077.40 and 12,876,000.40 is: 19,314,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,400,051.60 : 32,100,077.40 = 12,876,000.40 : x
  2. Step 2: Convert to fraction form
    21,400,051.60/32,100,077.40 = 12,876,000.40/x
  3. Step 3: Cross multiply
    21,400,051.60x = 32,100,077.40 × 12,876,000.40
  4. Step 4: Simplify right side
    21,400,051.60x = 413,320,609,442,430.94
  5. Step 5: Solve for x
    x = 413,320,609,442,430.94/21,400,051.60
  6. Step 6: Final answer
    x = 19,314,000.60

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1.5x scale

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.