Home / 12,716,999.40-19,069,594.20-5,524,831.20

Finding the Fourth Proportional to 12,716,999.40, 19,069,594.20 and 5,524,831.20

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Solution

The fourth proportional to 12,716,999.40, 19,069,594.20 and 5,524,831.20 is: 8,284,681.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,716,999.40 : 19,069,594.20 = 5,524,831.20 : x
  2. Step 2: Convert to fraction form
    12,716,999.40/19,069,594.20 = 5,524,831.20/x
  3. Step 3: Cross multiply
    12,716,999.40x = 19,069,594.20 × 5,524,831.20
  4. Step 4: Simplify right side
    12,716,999.40x = 105,356,289,007,499.05
  5. Step 5: Solve for x
    x = 105,356,289,007,499.05/12,716,999.40
  6. Step 6: Final answer
    x = 8,284,681.45

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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.