Home / 10,512,038.80-15,768,058.20-2,938,992.40

Finding the Fourth Proportional to 10,512,038.80, 15,768,058.20 and 2,938,992.40

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Solution

The fourth proportional to 10,512,038.80, 15,768,058.20 and 2,938,992.40 is: 4,408,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512,038.80 : 15,768,058.20 = 2,938,992.40 : x
  2. Step 2: Convert to fraction form
    10,512,038.80/15,768,058.20 = 2,938,992.40/x
  3. Step 3: Cross multiply
    10,512,038.80x = 15,768,058.20 × 2,938,992.40
  4. Step 4: Simplify right side
    10,512,038.80x = 46,342,203,212,557.68
  5. Step 5: Solve for x
    x = 46,342,203,212,557.68/10,512,038.80
  6. Step 6: Final answer
    x = 4,408,488.60

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1.5x scale

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.