Home / 12,483,208.60-18,693,320.10-9,963,784.60

Finding the Fourth Proportional to 12,483,208.60, 18,693,320.10 and 9,963,784.60

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Solution

The fourth proportional to 12,483,208.60, 18,693,320.10 and 9,963,784.60 is: 14,920,540.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483,208.60 : 18,693,320.10 = 9,963,784.60 : x
  2. Step 2: Convert to fraction form
    12,483,208.60/18,693,320.10 = 9,963,784.60/x
  3. Step 3: Cross multiply
    12,483,208.60x = 18,693,320.10 × 9,963,784.60
  4. Step 4: Simplify right side
    12,483,208.60x = 186,256,214,935,250.47
  5. Step 5: Solve for x
    x = 186,256,214,935,250.47/12,483,208.60
  6. Step 6: Final answer
    x = 14,920,540.14

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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.