Home / 15,606,857.39-21,537,304.55-8,637,548.50

Finding the Fourth Proportional to 15,606,857.39, 21,537,304.55 and 8,637,548.50

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Solution

The fourth proportional to 15,606,857.39, 21,537,304.55 and 8,637,548.50 is: 11,919,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606,857.39 : 21,537,304.55 = 8,637,548.50 : x
  2. Step 2: Convert to fraction form
    15,606,857.39/21,537,304.55 = 8,637,548.50/x
  3. Step 3: Cross multiply
    15,606,857.39x = 21,537,304.55 × 8,637,548.50
  4. Step 4: Simplify right side
    15,606,857.39x = 186,029,512,626,020.38
  5. Step 5: Solve for x
    x = 186,029,512,626,020.38/15,606,857.39
  6. Step 6: Final answer
    x = 11,919,729.13

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1.5x scale

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.