Home / 14,534,711.58-20,057,649.40-7,919,354.40

Finding the Fourth Proportional to 14,534,711.58, 20,057,649.40 and 7,919,354.40

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Solution

The fourth proportional to 14,534,711.58, 20,057,649.40 and 7,919,354.40 is: 10,928,571.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,534,711.58 : 20,057,649.40 = 7,919,354.40 : x
  2. Step 2: Convert to fraction form
    14,534,711.58/20,057,649.40 = 7,919,354.40/x
  3. Step 3: Cross multiply
    14,534,711.58x = 20,057,649.40 × 7,919,354.40
  4. Step 4: Simplify right side
    14,534,711.58x = 158,843,634,043,755.34
  5. Step 5: Solve for x
    x = 158,843,634,043,755.34/14,534,711.58
  6. Step 6: Final answer
    x = 10,928,571.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.