Home / 21,559,911.80-32,344,533.30-6,415,374.20

Finding the Fourth Proportional to 21,559,911.80, 32,344,533.30 and 6,415,374.20

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Solution

The fourth proportional to 21,559,911.80, 32,344,533.30 and 6,415,374.20 is: 9,624,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559,911.80 : 32,344,533.30 = 6,415,374.20 : x
  2. Step 2: Convert to fraction form
    21,559,911.80/32,344,533.30 = 6,415,374.20/x
  3. Step 3: Cross multiply
    21,559,911.80x = 32,344,533.30 × 6,415,374.20
  4. Step 4: Simplify right side
    21,559,911.80x = 207,502,284,443,860.88
  5. Step 5: Solve for x
    x = 207,502,284,443,860.88/21,559,911.80
  6. Step 6: Final answer
    x = 9,624,449.60

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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.