Home / 45,815,716-68,723,988.72-13,903,012

Finding the Fourth Proportional to 45,815,716, 68,723,988.72 and 13,903,012

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Solution

The fourth proportional to 45,815,716, 68,723,988.72 and 13,903,012 is: 20,854,643.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,815,716 : 68,723,988.72 = 13,903,012 : x
  2. Step 2: Convert to fraction form
    45,815,716/68,723,988.72 = 13,903,012/x
  3. Step 3: Cross multiply
    45,815,716x = 68,723,988.72 × 13,903,012
  4. Step 4: Simplify right side
    45,815,716x = 955,470,439,862,024.62
  5. Step 5: Solve for x
    x = 955,470,439,862,024.62/45,815,716
  6. Step 6: Final answer
    x = 20,854,643.85

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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.