Home / 15,616,628.80-23,406,280.80-8,039,694.40

Finding the Fourth Proportional to 15,616,628.80, 23,406,280.80 and 8,039,694.40

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Solution

The fourth proportional to 15,616,628.80, 23,406,280.80 and 8,039,694.40 is: 12,049,933.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,616,628.80 : 23,406,280.80 = 8,039,694.40 : x
  2. Step 2: Convert to fraction form
    15,616,628.80/23,406,280.80 = 8,039,694.40/x
  3. Step 3: Cross multiply
    15,616,628.80x = 23,406,280.80 × 8,039,694.40
  4. Step 4: Simplify right side
    15,616,628.80x = 188,179,344,672,587.53
  5. Step 5: Solve for x
    x = 188,179,344,672,587.53/15,616,628.80
  6. Step 6: Final answer
    x = 12,049,933.89

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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.