Home / 19,423,205.90-26,804,020.07-10,721,376.20

Finding the Fourth Proportional to 19,423,205.90, 26,804,020.07 and 10,721,376.20

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Solution

The fourth proportional to 19,423,205.90, 26,804,020.07 and 10,721,376.20 is: 14,795,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423,205.90 : 26,804,020.07 = 10,721,376.20 : x
  2. Step 2: Convert to fraction form
    19,423,205.90/26,804,020.07 = 10,721,376.20/x
  3. Step 3: Cross multiply
    19,423,205.90x = 26,804,020.07 × 10,721,376.20
  4. Step 4: Simplify right side
    19,423,205.90x = 287,375,982,655,193.38
  5. Step 5: Solve for x
    x = 287,375,982,655,193.38/19,423,205.90
  6. Step 6: Final answer
    x = 14,795,496.90

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1.5x scale

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.