Home / 19,423,220.51-26,804,040.23-10,721,390.87

Finding the Fourth Proportional to 19,423,220.51, 26,804,040.23 and 10,721,390.87

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Solution

The fourth proportional to 19,423,220.51, 26,804,040.23 and 10,721,390.87 is: 14,795,517.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423,220.51 : 26,804,040.23 = 10,721,390.87 : x
  2. Step 2: Convert to fraction form
    19,423,220.51/26,804,040.23 = 10,721,390.87/x
  3. Step 3: Cross multiply
    19,423,220.51x = 26,804,040.23 × 10,721,390.87
  4. Step 4: Simplify right side
    19,423,220.51x = 287,376,592,013,407.56
  5. Step 5: Solve for x
    x = 287,376,592,013,407.56/19,423,220.51
  6. Step 6: Final answer
    x = 14,795,517.15

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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.