Home / 9,021,016.32-12,436,959.84-7,166,585.28

Finding the Fourth Proportional to 9,021,016.32, 12,436,959.84 and 7,166,585.28

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Solution

The fourth proportional to 9,021,016.32, 12,436,959.84 and 7,166,585.28 is: 9,880,320.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021,016.32 : 12,436,959.84 = 7,166,585.28 : x
  2. Step 2: Convert to fraction form
    9,021,016.32/12,436,959.84 = 7,166,585.28/x
  3. Step 3: Cross multiply
    9,021,016.32x = 12,436,959.84 × 7,166,585.28
  4. Step 4: Simplify right side
    9,021,016.32x = 89,130,533,317,295.16
  5. Step 5: Solve for x
    x = 89,130,533,317,295.16/9,021,016.32
  6. Step 6: Final answer
    x = 9,880,320.59

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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.