Home / 13,604,784.40-18,776,734.72-8,023,644.32

Finding the Fourth Proportional to 13,604,784.40, 18,776,734.72 and 8,023,644.32

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Solution

The fourth proportional to 13,604,784.40, 18,776,734.72 and 8,023,644.32 is: 11,073,886.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604,784.40 : 18,776,734.72 = 8,023,644.32 : x
  2. Step 2: Convert to fraction form
    13,604,784.40/18,776,734.72 = 8,023,644.32/x
  3. Step 3: Cross multiply
    13,604,784.40x = 18,776,734.72 × 8,023,644.32
  4. Step 4: Simplify right side
    13,604,784.40x = 150,657,840,884,274.78
  5. Step 5: Solve for x
    x = 150,657,840,884,274.78/13,604,784.40
  6. Step 6: Final answer
    x = 11,073,886.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.