Home / 21,443,530.40-32,171,300.40-8,673,005.60

Finding the Fourth Proportional to 21,443,530.40, 32,171,300.40 and 8,673,005.60

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Solution

The fourth proportional to 21,443,530.40, 32,171,300.40 and 8,673,005.60 is: 13,011,937.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,443,530.40 : 32,171,300.40 = 8,673,005.60 : x
  2. Step 2: Convert to fraction form
    21,443,530.40/32,171,300.40 = 8,673,005.60/x
  3. Step 3: Cross multiply
    21,443,530.40x = 32,171,300.40 × 8,673,005.60
  4. Step 4: Simplify right side
    21,443,530.40x = 279,021,868,528,482.22
  5. Step 5: Solve for x
    x = 279,021,868,528,482.22/21,443,530.40
  6. Step 6: Final answer
    x = 13,011,937.09

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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.