Home / 12,588,392.16-17,371,955.70-7,081,770.42

Finding the Fourth Proportional to 12,588,392.16, 17,371,955.70 and 7,081,770.42

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Solution

The fourth proportional to 12,588,392.16, 17,371,955.70 and 7,081,770.42 is: 9,772,828.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588,392.16 : 17,371,955.70 = 7,081,770.42 : x
  2. Step 2: Convert to fraction form
    12,588,392.16/17,371,955.70 = 7,081,770.42/x
  3. Step 3: Cross multiply
    12,588,392.16x = 17,371,955.70 × 7,081,770.42
  4. Step 4: Simplify right side
    12,588,392.16x = 123,024,202,013,810.39
  5. Step 5: Solve for x
    x = 123,024,202,013,810.39/12,588,392.16
  6. Step 6: Final answer
    x = 9,772,828.85

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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.