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Finding the Fourth Proportional to 15,604,622.80, 23,406,496.80 and 7,084,945.60

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Solution

The fourth proportional to 15,604,622.80, 23,406,496.80 and 7,084,945.60 is: 10,627,219.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604,622.80 : 23,406,496.80 = 7,084,945.60 : x
  2. Step 2: Convert to fraction form
    15,604,622.80/23,406,496.80 = 7,084,945.60/x
  3. Step 3: Cross multiply
    15,604,622.80x = 23,406,496.80 × 7,084,945.60
  4. Step 4: Simplify right side
    15,604,622.80x = 165,833,756,514,574.06
  5. Step 5: Solve for x
    x = 165,833,756,514,574.06/15,604,622.80
  6. Step 6: Final answer
    x = 10,627,219.81

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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.