Home / 12,931,768.80-19,385,211.60-10,051,538.40

Finding the Fourth Proportional to 12,931,768.80, 19,385,211.60 and 10,051,538.40

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Solution

The fourth proportional to 12,931,768.80, 19,385,211.60 and 10,051,538.40 is: 15,067,637.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931,768.80 : 19,385,211.60 = 10,051,538.40 : x
  2. Step 2: Convert to fraction form
    12,931,768.80/19,385,211.60 = 10,051,538.40/x
  3. Step 3: Cross multiply
    12,931,768.80x = 19,385,211.60 × 10,051,538.40
  4. Step 4: Simplify right side
    12,931,768.80x = 194,851,198,789,525.47
  5. Step 5: Solve for x
    x = 194,851,198,789,525.47/12,931,768.80
  6. Step 6: Final answer
    x = 15,067,637.06

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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.