Home / 28,553,678.80-42,743,038.20-15,734,942.80

Finding the Fourth Proportional to 28,553,678.80, 42,743,038.20 and 15,734,942.80

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Solution

The fourth proportional to 28,553,678.80, 42,743,038.20 and 15,734,942.80 is: 23,554,207.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,553,678.80 : 42,743,038.20 = 15,734,942.80 : x
  2. Step 2: Convert to fraction form
    28,553,678.80/42,743,038.20 = 15,734,942.80/x
  3. Step 3: Cross multiply
    28,553,678.80x = 42,743,038.20 × 15,734,942.80
  4. Step 4: Simplify right side
    28,553,678.80x = 672,559,261,175,215
  5. Step 5: Solve for x
    x = 672,559,261,175,215/28,553,678.80
  6. Step 6: Final answer
    x = 23,554,207.00

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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.