Home / 13,611,744.60-20,417,616.90-9,785,369.40

Finding the Fourth Proportional to 13,611,744.60, 20,417,616.90 and 9,785,369.40

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Solution

The fourth proportional to 13,611,744.60, 20,417,616.90 and 9,785,369.40 is: 14,678,054.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,611,744.60 : 20,417,616.90 = 9,785,369.40 : x
  2. Step 2: Convert to fraction form
    13,611,744.60/20,417,616.90 = 9,785,369.40/x
  3. Step 3: Cross multiply
    13,611,744.60x = 20,417,616.90 × 9,785,369.40
  4. Step 4: Simplify right side
    13,611,744.60x = 199,793,923,634,182.84
  5. Step 5: Solve for x
    x = 199,793,923,634,182.84/13,611,744.60
  6. Step 6: Final answer
    x = 14,678,054.10

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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.