Home / 20,380,030.02-28,124,563.74-11,087,666.75

Finding the Fourth Proportional to 20,380,030.02, 28,124,563.74 and 11,087,666.75

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Solution

The fourth proportional to 20,380,030.02, 28,124,563.74 and 11,087,666.75 is: 15,301,046.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,380,030.02 : 28,124,563.74 = 11,087,666.75 : x
  2. Step 2: Convert to fraction form
    20,380,030.02/28,124,563.74 = 11,087,666.75/x
  3. Step 3: Cross multiply
    20,380,030.02x = 28,124,563.74 × 11,087,666.75
  4. Step 4: Simplify right side
    20,380,030.02x = 311,835,790,097,630.81
  5. Step 5: Solve for x
    x = 311,835,790,097,630.81/20,380,030.02
  6. Step 6: Final answer
    x = 15,301,046.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.