Home / 13,312,227.40-18,365,655.66-7,729,521.02

Finding the Fourth Proportional to 13,312,227.40, 18,365,655.66 and 7,729,521.02

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Solution

The fourth proportional to 13,312,227.40, 18,365,655.66 and 7,729,521.02 is: 10,663,709.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312,227.40 : 18,365,655.66 = 7,729,521.02 : x
  2. Step 2: Convert to fraction form
    13,312,227.40/18,365,655.66 = 7,729,521.02/x
  3. Step 3: Cross multiply
    13,312,227.40x = 18,365,655.66 × 7,729,521.02
  4. Step 4: Simplify right side
    13,312,227.40x = 141,957,721,470,051.97
  5. Step 5: Solve for x
    x = 141,957,721,470,051.97/13,312,227.40
  6. Step 6: Final answer
    x = 10,663,709.18

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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.