Home / 21,139,425.60-31,709,138.40-16,100,577.60

Finding the Fourth Proportional to 21,139,425.60, 31,709,138.40 and 16,100,577.60

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Solution

The fourth proportional to 21,139,425.60, 31,709,138.40 and 16,100,577.60 is: 24,150,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,139,425.60 : 31,709,138.40 = 16,100,577.60 : x
  2. Step 2: Convert to fraction form
    21,139,425.60/31,709,138.40 = 16,100,577.60/x
  3. Step 3: Cross multiply
    21,139,425.60x = 31,709,138.40 × 16,100,577.60
  4. Step 4: Simplify right side
    21,139,425.60x = 510,535,443,438,339.81
  5. Step 5: Solve for x
    x = 510,535,443,438,339.81/21,139,425.60
  6. Step 6: Final answer
    x = 24,150,866.40

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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.