Home / 31,510,395.60-43,484,464.84-19,913,113.04

Finding the Fourth Proportional to 31,510,395.60, 43,484,464.84 and 19,913,113.04

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Solution

The fourth proportional to 31,510,395.60, 43,484,464.84 and 19,913,113.04 is: 27,480,171.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,510,395.60 : 43,484,464.84 = 19,913,113.04 : x
  2. Step 2: Convert to fraction form
    31,510,395.60/43,484,464.84 = 19,913,113.04/x
  3. Step 3: Cross multiply
    31,510,395.60x = 43,484,464.84 × 19,913,113.04
  4. Step 4: Simplify right side
    31,510,395.60x = 865,911,063,842,825.50
  5. Step 5: Solve for x
    x = 865,911,063,842,825.50/31,510,395.60
  6. Step 6: Final answer
    x = 27,480,171.14

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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.