Home / 15,926,894.32-21,980,980.12-9,052,409.76

Finding the Fourth Proportional to 15,926,894.32, 21,980,980.12 and 9,052,409.76

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Solution

The fourth proportional to 15,926,894.32, 21,980,980.12 and 9,052,409.76 is: 12,493,386.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,926,894.32 : 21,980,980.12 = 9,052,409.76 : x
  2. Step 2: Convert to fraction form
    15,926,894.32/21,980,980.12 = 9,052,409.76/x
  3. Step 3: Cross multiply
    15,926,894.32x = 21,980,980.12 × 9,052,409.76
  4. Step 4: Simplify right side
    15,926,894.32x = 198,980,838,972,653.97
  5. Step 5: Solve for x
    x = 198,980,838,972,653.97/15,926,894.32
  6. Step 6: Final answer
    x = 12,493,386.03

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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.