Home / 47,114,909.20-70,619,875.80-18,351,485.20

Finding the Fourth Proportional to 47,114,909.20, 70,619,875.80 and 18,351,485.20

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Solution

The fourth proportional to 47,114,909.20, 70,619,875.80 and 18,351,485.20 is: 27,506,783.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,114,909.20 : 70,619,875.80 = 18,351,485.20 : x
  2. Step 2: Convert to fraction form
    47,114,909.20/70,619,875.80 = 18,351,485.20/x
  3. Step 3: Cross multiply
    47,114,909.20x = 70,619,875.80 × 18,351,485.20
  4. Step 4: Simplify right side
    47,114,909.20x = 1,295,979,605,569,538
  5. Step 5: Solve for x
    x = 1,295,979,605,569,538/47,114,909.20
  6. Step 6: Final answer
    x = 27,506,783.47

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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.