Home / 18,849,084.30-28,265,332.05-7,485,756.30

Finding the Fourth Proportional to 18,849,084.30, 28,265,332.05 and 7,485,756.30

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Solution

The fourth proportional to 18,849,084.30, 28,265,332.05 and 7,485,756.30 is: 11,225,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,849,084.30 : 28,265,332.05 = 7,485,756.30 : x
  2. Step 2: Convert to fraction form
    18,849,084.30/28,265,332.05 = 7,485,756.30/x
  3. Step 3: Cross multiply
    18,849,084.30x = 28,265,332.05 × 7,485,756.30
  4. Step 4: Simplify right side
    18,849,084.30x = 211,587,387,464,879.41
  5. Step 5: Solve for x
    x = 211,587,387,464,879.41/18,849,084.30
  6. Step 6: Final answer
    x = 11,225,340.40

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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.