Home / 12,699,095.51-17,526,205.57-7,118,849.18

Finding the Fourth Proportional to 12,699,095.51, 17,526,205.57 and 7,118,849.18

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Solution

The fourth proportional to 12,699,095.51, 17,526,205.57 and 7,118,849.18 is: 9,824,826.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,699,095.51 : 17,526,205.57 = 7,118,849.18 : x
  2. Step 2: Convert to fraction form
    12,699,095.51/17,526,205.57 = 7,118,849.18/x
  3. Step 3: Cross multiply
    12,699,095.51x = 17,526,205.57 × 7,118,849.18
  4. Step 4: Simplify right side
    12,699,095.51x = 124,766,414,189,533.52
  5. Step 5: Solve for x
    x = 124,766,414,189,533.52/12,699,095.51
  6. Step 6: Final answer
    x = 9,824,826.82

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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.