Home / 21,791,037.60-30,069,406.53-13,417,077.60

Finding the Fourth Proportional to 21,791,037.60, 30,069,406.53 and 13,417,077.60

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Solution

The fourth proportional to 21,791,037.60, 30,069,406.53 and 13,417,077.60 is: 18,514,196.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,791,037.60 : 30,069,406.53 = 13,417,077.60 : x
  2. Step 2: Convert to fraction form
    21,791,037.60/30,069,406.53 = 13,417,077.60/x
  3. Step 3: Cross multiply
    21,791,037.60x = 30,069,406.53 × 13,417,077.60
  4. Step 4: Simplify right side
    21,791,037.60x = 403,443,560,798,956.75
  5. Step 5: Solve for x
    x = 403,443,560,798,956.75/21,791,037.60
  6. Step 6: Final answer
    x = 18,514,196.90

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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.