Home / 28,995,394.23-40,012,567.92-15,941,876.49

Finding the Fourth Proportional to 28,995,394.23, 40,012,567.92 and 15,941,876.49

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Solution

The fourth proportional to 28,995,394.23, 40,012,567.92 and 15,941,876.49 is: 21,999,197.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,995,394.23 : 40,012,567.92 = 15,941,876.49 : x
  2. Step 2: Convert to fraction form
    28,995,394.23/40,012,567.92 = 15,941,876.49/x
  3. Step 3: Cross multiply
    28,995,394.23x = 40,012,567.92 × 15,941,876.49
  4. Step 4: Simplify right side
    28,995,394.23x = 637,875,415,828,376.25
  5. Step 5: Solve for x
    x = 637,875,415,828,376.25/28,995,394.23
  6. Step 6: Final answer
    x = 21,999,197.90

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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.