Home / 12,652,802.40-18,979,203.60-12,064,936.80

Finding the Fourth Proportional to 12,652,802.40, 18,979,203.60 and 12,064,936.80

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Solution

The fourth proportional to 12,652,802.40, 18,979,203.60 and 12,064,936.80 is: 18,097,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,652,802.40 : 18,979,203.60 = 12,064,936.80 : x
  2. Step 2: Convert to fraction form
    12,652,802.40/18,979,203.60 = 12,064,936.80/x
  3. Step 3: Cross multiply
    12,652,802.40x = 18,979,203.60 × 12,064,936.80
  4. Step 4: Simplify right side
    12,652,802.40x = 228,982,891,948,332.50
  5. Step 5: Solve for x
    x = 228,982,891,948,332.50/12,652,802.40
  6. Step 6: Final answer
    x = 18,097,405.20

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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.