Home / 12,673,665.60-18,996,501.60-6,997,963.20

Finding the Fourth Proportional to 12,673,665.60, 18,996,501.60 and 6,997,963.20

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Solution

The fourth proportional to 12,673,665.60, 18,996,501.60 and 6,997,963.20 is: 10,489,216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673,665.60 : 18,996,501.60 = 6,997,963.20 : x
  2. Step 2: Convert to fraction form
    12,673,665.60/18,996,501.60 = 6,997,963.20/x
  3. Step 3: Cross multiply
    12,673,665.60x = 18,996,501.60 × 6,997,963.20
  4. Step 4: Simplify right side
    12,673,665.60x = 132,936,819,125,541.14
  5. Step 5: Solve for x
    x = 132,936,819,125,541.14/12,673,665.60
  6. Step 6: Final answer
    x = 10,489,216.25

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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.