Home / 13,473,206.60-20,209,809.90-3,888,897.80

Finding the Fourth Proportional to 13,473,206.60, 20,209,809.90 and 3,888,897.80

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Solution

The fourth proportional to 13,473,206.60, 20,209,809.90 and 3,888,897.80 is: 5,833,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,473,206.60 : 20,209,809.90 = 3,888,897.80 : x
  2. Step 2: Convert to fraction form
    13,473,206.60/20,209,809.90 = 3,888,897.80/x
  3. Step 3: Cross multiply
    13,473,206.60x = 20,209,809.90 × 3,888,897.80
  4. Step 4: Simplify right side
    13,473,206.60x = 78,593,885,258,528.20
  5. Step 5: Solve for x
    x = 78,593,885,258,528.20/13,473,206.60
  6. Step 6: Final answer
    x = 5,833,346.70

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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.