Home / 12,643,007.44-18,956,831.28-4,957,444.36

Finding the Fourth Proportional to 12,643,007.44, 18,956,831.28 and 4,957,444.36

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Solution

The fourth proportional to 12,643,007.44, 18,956,831.28 and 4,957,444.36 is: 7,433,155.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,007.44 : 18,956,831.28 = 4,957,444.36 : x
  2. Step 2: Convert to fraction form
    12,643,007.44/18,956,831.28 = 4,957,444.36/x
  3. Step 3: Cross multiply
    12,643,007.44x = 18,956,831.28 × 4,957,444.36
  4. Step 4: Simplify right side
    12,643,007.44x = 93,977,436,312,507.59
  5. Step 5: Solve for x
    x = 93,977,436,312,507.59/12,643,007.44
  6. Step 6: Final answer
    x = 7,433,155.19

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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.