Home / 21,359,230.25-32,025,927.90-8,389,855.31

Finding the Fourth Proportional to 21,359,230.25, 32,025,927.90 and 8,389,855.31

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Solution

The fourth proportional to 21,359,230.25, 32,025,927.90 and 8,389,855.31 is: 12,579,709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,359,230.25 : 32,025,927.90 = 8,389,855.31 : x
  2. Step 2: Convert to fraction form
    21,359,230.25/32,025,927.90 = 8,389,855.31/x
  3. Step 3: Cross multiply
    21,359,230.25x = 32,025,927.90 × 8,389,855.31
  4. Step 4: Simplify right side
    21,359,230.25x = 268,692,901,249,492.16
  5. Step 5: Solve for x
    x = 268,692,901,249,492.16/21,359,230.25
  6. Step 6: Final answer
    x = 12,579,709.01

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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.