Home / 12,809,664.34-17,675,590.98-7,651,931.02

Finding the Fourth Proportional to 12,809,664.34, 17,675,590.98 and 7,651,931.02

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Solution

The fourth proportional to 12,809,664.34, 17,675,590.98 and 7,651,931.02 is: 10,558,621.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,809,664.34 : 17,675,590.98 = 7,651,931.02 : x
  2. Step 2: Convert to fraction form
    12,809,664.34/17,675,590.98 = 7,651,931.02/x
  3. Step 3: Cross multiply
    12,809,664.34x = 17,675,590.98 × 7,651,931.02
  4. Step 4: Simplify right side
    12,809,664.34x = 135,252,402,916,694.19
  5. Step 5: Solve for x
    x = 135,252,402,916,694.19/12,809,664.34
  6. Step 6: Final answer
    x = 10,558,621.94

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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.