Home / 10,538,679.72-14,538,924.66-7,055,140.76

Finding the Fourth Proportional to 10,538,679.72, 14,538,924.66 and 7,055,140.76

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Solution

The fourth proportional to 10,538,679.72, 14,538,924.66 and 7,055,140.76 is: 9,733,112.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,538,679.72 : 14,538,924.66 = 7,055,140.76 : x
  2. Step 2: Convert to fraction form
    10,538,679.72/14,538,924.66 = 7,055,140.76/x
  3. Step 3: Cross multiply
    10,538,679.72x = 14,538,924.66 × 7,055,140.76
  4. Step 4: Simplify right side
    10,538,679.72x = 102,574,159,975,335.14
  5. Step 5: Solve for x
    x = 102,574,159,975,335.14/10,538,679.72
  6. Step 6: Final answer
    x = 9,733,112.94

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Double scale
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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.