Home / 9,129,883.68-12,599,085.12-5,055,415.20

Finding the Fourth Proportional to 9,129,883.68, 12,599,085.12 and 5,055,415.20

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Solution

The fourth proportional to 9,129,883.68, 12,599,085.12 and 5,055,415.20 is: 6,976,387.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129,883.68 : 12,599,085.12 = 5,055,415.20 : x
  2. Step 2: Convert to fraction form
    9,129,883.68/12,599,085.12 = 5,055,415.20/x
  3. Step 3: Cross multiply
    9,129,883.68x = 12,599,085.12 × 5,055,415.20
  4. Step 4: Simplify right side
    9,129,883.68x = 63,693,606,421,741.82
  5. Step 5: Solve for x
    x = 63,693,606,421,741.82/9,129,883.68
  6. Step 6: Final answer
    x = 6,976,387.50

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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.