Home / 31,548,901.20-47,290,692.60-17,141,528.40

Finding the Fourth Proportional to 31,548,901.20, 47,290,692.60 and 17,141,528.40

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Solution

The fourth proportional to 31,548,901.20, 47,290,692.60 and 17,141,528.40 is: 25,694,547.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,548,901.20 : 47,290,692.60 = 17,141,528.40 : x
  2. Step 2: Convert to fraction form
    31,548,901.20/47,290,692.60 = 17,141,528.40/x
  3. Step 3: Cross multiply
    31,548,901.20x = 47,290,692.60 × 17,141,528.40
  4. Step 4: Simplify right side
    31,548,901.20x = 810,634,750,258,569.75
  5. Step 5: Solve for x
    x = 810,634,750,258,569.75/31,548,901.20
  6. Step 6: Final answer
    x = 25,694,547.81

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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.