Home / 20,559,953.10-30,839,929.65-11,004,804.30

Finding the Fourth Proportional to 20,559,953.10, 30,839,929.65 and 11,004,804.30

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Solution

The fourth proportional to 20,559,953.10, 30,839,929.65 and 11,004,804.30 is: 16,507,206.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,559,953.10 : 30,839,929.65 = 11,004,804.30 : x
  2. Step 2: Convert to fraction form
    20,559,953.10/30,839,929.65 = 11,004,804.30/x
  3. Step 3: Cross multiply
    20,559,953.10x = 30,839,929.65 × 11,004,804.30
  4. Step 4: Simplify right side
    20,559,953.10x = 339,387,390,424,017.50
  5. Step 5: Solve for x
    x = 339,387,390,424,017.50/20,559,953.10
  6. Step 6: Final answer
    x = 16,507,206.45

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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.