Home / 20,559,959.10-30,839,938.65-11,004,810.30

Finding the Fourth Proportional to 20,559,959.10, 30,839,938.65 and 11,004,810.30

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Solution

The fourth proportional to 20,559,959.10, 30,839,938.65 and 11,004,810.30 is: 16,507,215.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,559,959.10 : 30,839,938.65 = 11,004,810.30 : x
  2. Step 2: Convert to fraction form
    20,559,959.10/30,839,938.65 = 11,004,810.30/x
  3. Step 3: Cross multiply
    20,559,959.10x = 30,839,938.65 × 11,004,810.30
  4. Step 4: Simplify right side
    20,559,959.10x = 339,387,674,506,888.12
  5. Step 5: Solve for x
    x = 339,387,674,506,888.12/20,559,959.10
  6. Step 6: Final answer
    x = 16,507,215.45

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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.