Home / 9,870,160.42-13,620,865.80-5,519,248.30

Finding the Fourth Proportional to 9,870,160.42, 13,620,865.80 and 5,519,248.30

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Solution

The fourth proportional to 9,870,160.42, 13,620,865.80 and 5,519,248.30 is: 7,616,587.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,870,160.42 : 13,620,865.80 = 5,519,248.30 : x
  2. Step 2: Convert to fraction form
    9,870,160.42/13,620,865.80 = 5,519,248.30/x
  3. Step 3: Cross multiply
    9,870,160.42x = 13,620,865.80 × 5,519,248.30
  4. Step 4: Simplify right side
    9,870,160.42x = 75,176,940,411,178.14
  5. Step 5: Solve for x
    x = 75,176,940,411,178.14/9,870,160.42
  6. Step 6: Final answer
    x = 7,616,587.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.