Home / 13,562,056.40-20,336,669.40-7,884,021.20

Finding the Fourth Proportional to 13,562,056.40, 20,336,669.40 and 7,884,021.20

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Solution

The fourth proportional to 13,562,056.40, 20,336,669.40 and 7,884,021.20 is: 11,822,302.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,562,056.40 : 20,336,669.40 = 7,884,021.20 : x
  2. Step 2: Convert to fraction form
    13,562,056.40/20,336,669.40 = 7,884,021.20/x
  3. Step 3: Cross multiply
    13,562,056.40x = 20,336,669.40 × 7,884,021.20
  4. Step 4: Simplify right side
    13,562,056.40x = 160,334,732,686,991.28
  5. Step 5: Solve for x
    x = 160,334,732,686,991.28/13,562,056.40
  6. Step 6: Final answer
    x = 11,822,302.46

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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.