Home / 28,270,009.06-42,411,656.60-9,100,046.45

Finding the Fourth Proportional to 28,270,009.06, 42,411,656.60 and 9,100,046.45

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Solution

The fourth proportional to 28,270,009.06, 42,411,656.60 and 9,100,046.45 is: 13,652,208.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,270,009.06 : 42,411,656.60 = 9,100,046.45 : x
  2. Step 2: Convert to fraction form
    28,270,009.06/42,411,656.60 = 9,100,046.45/x
  3. Step 3: Cross multiply
    28,270,009.06x = 42,411,656.60 × 9,100,046.45
  4. Step 4: Simplify right side
    28,270,009.06x = 385,948,045,176,103.19
  5. Step 5: Solve for x
    x = 385,948,045,176,103.19/28,270,009.06
  6. Step 6: Final answer
    x = 13,652,208.05

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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.