Home / 10,109,920.95-15,164,881.43-2,921,689.35

Finding the Fourth Proportional to 10,109,920.95, 15,164,881.43 and 2,921,689.35

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Solution

The fourth proportional to 10,109,920.95, 15,164,881.43 and 2,921,689.35 is: 4,382,534.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109,920.95 : 15,164,881.43 = 2,921,689.35 : x
  2. Step 2: Convert to fraction form
    10,109,920.95/15,164,881.43 = 2,921,689.35/x
  3. Step 3: Cross multiply
    10,109,920.95x = 15,164,881.43 × 2,921,689.35
  4. Step 4: Simplify right side
    10,109,920.95x = 44,307,072,553,435.33
  5. Step 5: Solve for x
    x = 44,307,072,553,435.33/10,109,920.95
  6. Step 6: Final answer
    x = 4,382,534.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.