Home / 10,382,109.84-15,567,848.28-5,527,174.32

Finding the Fourth Proportional to 10,382,109.84, 15,567,848.28 and 5,527,174.32

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Solution

The fourth proportional to 10,382,109.84, 15,567,848.28 and 5,527,174.32 is: 8,287,931.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382,109.84 : 15,567,848.28 = 5,527,174.32 : x
  2. Step 2: Convert to fraction form
    10,382,109.84/15,567,848.28 = 5,527,174.32/x
  3. Step 3: Cross multiply
    10,382,109.84x = 15,567,848.28 × 5,527,174.32
  4. Step 4: Simplify right side
    10,382,109.84x = 86,046,211,230,872.17
  5. Step 5: Solve for x
    x = 86,046,211,230,872.17/10,382,109.84
  6. Step 6: Final answer
    x = 8,287,931.12

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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.