Home / 13,762,905.40-20,637,359.70-8,084,870.20

Finding the Fourth Proportional to 13,762,905.40, 20,637,359.70 and 8,084,870.20

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Solution

The fourth proportional to 13,762,905.40, 20,637,359.70 and 8,084,870.20 is: 12,123,194.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762,905.40 : 20,637,359.70 = 8,084,870.20 : x
  2. Step 2: Convert to fraction form
    13,762,905.40/20,637,359.70 = 8,084,870.20/x
  3. Step 3: Cross multiply
    13,762,905.40x = 20,637,359.70 × 8,084,870.20
  4. Step 4: Simplify right side
    13,762,905.40x = 166,850,374,445,210.94
  5. Step 5: Solve for x
    x = 166,850,374,445,210.94/13,762,905.40
  6. Step 6: Final answer
    x = 12,123,194.17

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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.