Home / 12,482,812.60-18,692,726.10-9,963,388.60

Finding the Fourth Proportional to 12,482,812.60, 18,692,726.10 and 9,963,388.60

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Solution

The fourth proportional to 12,482,812.60, 18,692,726.10 and 9,963,388.60 is: 14,919,946.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,812.60 : 18,692,726.10 = 9,963,388.60 : x
  2. Step 2: Convert to fraction form
    12,482,812.60/18,692,726.10 = 9,963,388.60/x
  3. Step 3: Cross multiply
    12,482,812.60x = 18,692,726.10 × 9,963,388.60
  4. Step 4: Simplify right side
    12,482,812.60x = 186,242,894,127,662.47
  5. Step 5: Solve for x
    x = 186,242,894,127,662.47/12,482,812.60
  6. Step 6: Final answer
    x = 14,919,946.34

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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.