Home / 23,142,320.42-31,936,233.35-12,688,164.32

Finding the Fourth Proportional to 23,142,320.42, 31,936,233.35 and 12,688,164.32

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Solution

The fourth proportional to 23,142,320.42, 31,936,233.35 and 12,688,164.32 is: 17,509,574.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,142,320.42 : 31,936,233.35 = 12,688,164.32 : x
  2. Step 2: Convert to fraction form
    23,142,320.42/31,936,233.35 = 12,688,164.32/x
  3. Step 3: Cross multiply
    23,142,320.42x = 31,936,233.35 × 12,688,164.32
  4. Step 4: Simplify right side
    23,142,320.42x = 405,212,176,283,542.06
  5. Step 5: Solve for x
    x = 405,212,176,283,542.06/23,142,320.42
  6. Step 6: Final answer
    x = 17,509,574.19

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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.