Home / 14,503,824.79-20,015,288.43-7,977,950.71

Finding the Fourth Proportional to 14,503,824.79, 20,015,288.43 and 7,977,950.71

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Solution

The fourth proportional to 14,503,824.79, 20,015,288.43 and 7,977,950.71 is: 11,009,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,503,824.79 : 20,015,288.43 = 7,977,950.71 : x
  2. Step 2: Convert to fraction form
    14,503,824.79/20,015,288.43 = 7,977,950.71/x
  3. Step 3: Cross multiply
    14,503,824.79x = 20,015,288.43 × 7,977,950.71
  4. Step 4: Simplify right side
    14,503,824.79x = 159,680,984,461,017.75
  5. Step 5: Solve for x
    x = 159,680,984,461,017.75/14,503,824.79
  6. Step 6: Final answer
    x = 11,009,577.60

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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.