Home / 12,948,655.80-19,430,759.70-5,374,831.80

Finding the Fourth Proportional to 12,948,655.80, 19,430,759.70 and 5,374,831.80

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Solution

The fourth proportional to 12,948,655.80, 19,430,759.70 and 5,374,831.80 is: 8,065,475.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,655.80 : 19,430,759.70 = 5,374,831.80 : x
  2. Step 2: Convert to fraction form
    12,948,655.80/19,430,759.70 = 5,374,831.80/x
  3. Step 3: Cross multiply
    12,948,655.80x = 19,430,759.70 × 5,374,831.80
  4. Step 4: Simplify right side
    12,948,655.80x = 104,437,065,133,718.45
  5. Step 5: Solve for x
    x = 104,437,065,133,718.45/12,948,655.80
  6. Step 6: Final answer
    x = 8,065,475.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.