Home / 19,784,003.40-29,676,005.10-8,425,600.20

Finding the Fourth Proportional to 19,784,003.40, 29,676,005.10 and 8,425,600.20

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Solution

The fourth proportional to 19,784,003.40, 29,676,005.10 and 8,425,600.20 is: 12,638,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784,003.40 : 29,676,005.10 = 8,425,600.20 : x
  2. Step 2: Convert to fraction form
    19,784,003.40/29,676,005.10 = 8,425,600.20/x
  3. Step 3: Cross multiply
    19,784,003.40x = 29,676,005.10 × 8,425,600.20
  4. Step 4: Simplify right side
    19,784,003.40x = 250,038,154,505,761
  5. Step 5: Solve for x
    x = 250,038,154,505,761/19,784,003.40
  6. Step 6: Final answer
    x = 12,638,400.30

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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.