Home / 8,742,639.36-12,065,702.40-5,304,610.56

Finding the Fourth Proportional to 8,742,639.36, 12,065,702.40 and 5,304,610.56

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Solution

The fourth proportional to 8,742,639.36, 12,065,702.40 and 5,304,610.56 is: 7,320,884.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,639.36 : 12,065,702.40 = 5,304,610.56 : x
  2. Step 2: Convert to fraction form
    8,742,639.36/12,065,702.40 = 5,304,610.56/x
  3. Step 3: Cross multiply
    8,742,639.36x = 12,065,702.40 × 5,304,610.56
  4. Step 4: Simplify right side
    8,742,639.36x = 64,003,852,364,857.34
  5. Step 5: Solve for x
    x = 64,003,852,364,857.34/8,742,639.36
  6. Step 6: Final answer
    x = 7,320,884.43

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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.