Home / 10,315,058.40-15,472,587.60-2,638,688.40

Finding the Fourth Proportional to 10,315,058.40, 15,472,587.60 and 2,638,688.40

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Solution

The fourth proportional to 10,315,058.40, 15,472,587.60 and 2,638,688.40 is: 3,958,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315,058.40 : 15,472,587.60 = 2,638,688.40 : x
  2. Step 2: Convert to fraction form
    10,315,058.40/15,472,587.60 = 2,638,688.40/x
  3. Step 3: Cross multiply
    10,315,058.40x = 15,472,587.60 × 2,638,688.40
  4. Step 4: Simplify right side
    10,315,058.40x = 40,827,337,418,103.84
  5. Step 5: Solve for x
    x = 40,827,337,418,103.84/10,315,058.40
  6. Step 6: Final answer
    x = 3,958,032.60

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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.