Home / 28,527,519.42-42,811,710.06-12,144,290.19

Finding the Fourth Proportional to 28,527,519.42, 42,811,710.06 and 12,144,290.19

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Solution

The fourth proportional to 28,527,519.42, 42,811,710.06 and 12,144,290.19 is: 18,225,132.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,527,519.42 : 42,811,710.06 = 12,144,290.19 : x
  2. Step 2: Convert to fraction form
    28,527,519.42/42,811,710.06 = 12,144,290.19/x
  3. Step 3: Cross multiply
    28,527,519.42x = 42,811,710.06 × 12,144,290.19
  4. Step 4: Simplify right side
    28,527,519.42x = 519,917,830,498,782.31
  5. Step 5: Solve for x
    x = 519,917,830,498,782.31/28,527,519.42
  6. Step 6: Final answer
    x = 18,225,132.82

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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.