Home / 21,559,497.60-32,339,246.40-20,803,670.40

Finding the Fourth Proportional to 21,559,497.60, 32,339,246.40 and 20,803,670.40

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Solution

The fourth proportional to 21,559,497.60, 32,339,246.40 and 20,803,670.40 is: 31,205,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559,497.60 : 32,339,246.40 = 20,803,670.40 : x
  2. Step 2: Convert to fraction form
    21,559,497.60/32,339,246.40 = 20,803,670.40/x
  3. Step 3: Cross multiply
    21,559,497.60x = 32,339,246.40 × 20,803,670.40
  4. Step 4: Simplify right side
    21,559,497.60x = 672,775,023,089,986.50
  5. Step 5: Solve for x
    x = 672,775,023,089,986.50/21,559,497.60
  6. Step 6: Final answer
    x = 31,205,505.60

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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.