Home / 13,104,700.80-19,657,051.20-4,128,086.40

Finding the Fourth Proportional to 13,104,700.80, 19,657,051.20 and 4,128,086.40

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Solution

The fourth proportional to 13,104,700.80, 19,657,051.20 and 4,128,086.40 is: 6,192,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104,700.80 : 19,657,051.20 = 4,128,086.40 : x
  2. Step 2: Convert to fraction form
    13,104,700.80/19,657,051.20 = 4,128,086.40/x
  3. Step 3: Cross multiply
    13,104,700.80x = 19,657,051.20 × 4,128,086.40
  4. Step 4: Simplify right side
    13,104,700.80x = 81,146,005,722,823.67
  5. Step 5: Solve for x
    x = 81,146,005,722,823.67/13,104,700.80
  6. Step 6: Final answer
    x = 6,192,129.60

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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.