Home / 12,761,632.56-17,610,623.16-7,602,321.84

Finding the Fourth Proportional to 12,761,632.56, 17,610,623.16 and 7,602,321.84

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Solution

The fourth proportional to 12,761,632.56, 17,610,623.16 and 7,602,321.84 is: 10,490,948.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,761,632.56 : 17,610,623.16 = 7,602,321.84 : x
  2. Step 2: Convert to fraction form
    12,761,632.56/17,610,623.16 = 7,602,321.84/x
  3. Step 3: Cross multiply
    12,761,632.56x = 17,610,623.16 × 7,602,321.84
  4. Step 4: Simplify right side
    12,761,632.56x = 133,881,625,065,277.81
  5. Step 5: Solve for x
    x = 133,881,625,065,277.81/12,761,632.56
  6. Step 6: Final answer
    x = 10,490,948.12

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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.