Home / 42,705,300.40-64,051,729.80-12,410,004.40

Finding the Fourth Proportional to 42,705,300.40, 64,051,729.80 and 12,410,004.40

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Solution

The fourth proportional to 42,705,300.40, 64,051,729.80 and 12,410,004.40 is: 18,613,198.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,705,300.40 : 64,051,729.80 = 12,410,004.40 : x
  2. Step 2: Convert to fraction form
    42,705,300.40/64,051,729.80 = 12,410,004.40/x
  3. Step 3: Cross multiply
    42,705,300.40x = 64,051,729.80 × 12,410,004.40
  4. Step 4: Simplify right side
    42,705,300.40x = 794,882,248,645,611.12
  5. Step 5: Solve for x
    x = 794,882,248,645,611.12/42,705,300.40
  6. Step 6: Final answer
    x = 18,613,198.86

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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.