Home / 13,304,831.76-18,359,568.14-7,505,038.98

Finding the Fourth Proportional to 13,304,831.76, 18,359,568.14 and 7,505,038.98

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Solution

The fourth proportional to 13,304,831.76, 18,359,568.14 and 7,505,038.98 is: 10,356,333.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304,831.76 : 18,359,568.14 = 7,505,038.98 : x
  2. Step 2: Convert to fraction form
    13,304,831.76/18,359,568.14 = 7,505,038.98/x
  3. Step 3: Cross multiply
    13,304,831.76x = 18,359,568.14 × 7,505,038.98
  4. Step 4: Simplify right side
    13,304,831.76x = 137,789,274,509,140.92
  5. Step 5: Solve for x
    x = 137,789,274,509,140.92/13,304,831.76
  6. Step 6: Final answer
    x = 10,356,333.47

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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.