Home / 22,690,427.36-31,312,989.60-12,377,196.32

Finding the Fourth Proportional to 22,690,427.36, 31,312,989.60 and 12,377,196.32

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Solution

The fourth proportional to 22,690,427.36, 31,312,989.60 and 12,377,196.32 is: 17,080,639.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,690,427.36 : 31,312,989.60 = 12,377,196.32 : x
  2. Step 2: Convert to fraction form
    22,690,427.36/31,312,989.60 = 12,377,196.32/x
  3. Step 3: Cross multiply
    22,690,427.36x = 31,312,989.60 × 12,377,196.32
  4. Step 4: Simplify right side
    22,690,427.36x = 387,567,019,645,318.31
  5. Step 5: Solve for x
    x = 387,567,019,645,318.31/22,690,427.36
  6. Step 6: Final answer
    x = 17,080,639.93

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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.