Home / 7,220,052.29-9,963,446.73-3,956,807.72

Finding the Fourth Proportional to 7,220,052.29, 9,963,446.73 and 3,956,807.72

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Solution

The fourth proportional to 7,220,052.29, 9,963,446.73 and 3,956,807.72 is: 5,460,271.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220,052.29 : 9,963,446.73 = 3,956,807.72 : x
  2. Step 2: Convert to fraction form
    7,220,052.29/9,963,446.73 = 3,956,807.72/x
  3. Step 3: Cross multiply
    7,220,052.29x = 9,963,446.73 × 3,956,807.72
  4. Step 4: Simplify right side
    7,220,052.29x = 39,423,442,949,143.34
  5. Step 5: Solve for x
    x = 39,423,442,949,143.34/7,220,052.29
  6. Step 6: Final answer
    x = 5,460,271.11

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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.