Home / 12,519,518.76-17,278,461.54-7,362,631.08

Finding the Fourth Proportional to 12,519,518.76, 17,278,461.54 and 7,362,631.08

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Solution

The fourth proportional to 12,519,518.76, 17,278,461.54 and 7,362,631.08 is: 10,161,328.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519,518.76 : 17,278,461.54 = 7,362,631.08 : x
  2. Step 2: Convert to fraction form
    12,519,518.76/17,278,461.54 = 7,362,631.08/x
  3. Step 3: Cross multiply
    12,519,518.76x = 17,278,461.54 × 7,362,631.08
  4. Step 4: Simplify right side
    12,519,518.76x = 127,214,937,948,988.66
  5. Step 5: Solve for x
    x = 127,214,937,948,988.66/12,519,518.76
  6. Step 6: Final answer
    x = 10,161,328.11

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Double scale
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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.