Home / 13,761,958.04-20,645,426.15-5,670,432.60

Finding the Fourth Proportional to 13,761,958.04, 20,645,426.15 and 5,670,432.60

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Solution

The fourth proportional to 13,761,958.04, 20,645,426.15 and 5,670,432.60 is: 8,506,674.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761,958.04 : 20,645,426.15 = 5,670,432.60 : x
  2. Step 2: Convert to fraction form
    13,761,958.04/20,645,426.15 = 5,670,432.60/x
  3. Step 3: Cross multiply
    13,761,958.04x = 20,645,426.15 × 5,670,432.60
  4. Step 4: Simplify right side
    13,761,958.04x = 117,068,497,481,852.47
  5. Step 5: Solve for x
    x = 117,068,497,481,852.47/13,761,958.04
  6. Step 6: Final answer
    x = 8,506,674.50

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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.