Home / 47,139,698.46-65,058,447.05-28,554,293.28

Finding the Fourth Proportional to 47,139,698.46, 65,058,447.05 and 28,554,293.28

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Solution

The fourth proportional to 47,139,698.46, 65,058,447.05 and 28,554,293.28 is: 39,408,355.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,139,698.46 : 65,058,447.05 = 28,554,293.28 : x
  2. Step 2: Convert to fraction form
    47,139,698.46/65,058,447.05 = 28,554,293.28/x
  3. Step 3: Cross multiply
    47,139,698.46x = 65,058,447.05 × 28,554,293.28
  4. Step 4: Simplify right side
    47,139,698.46x = 1,857,697,977,407,050.75
  5. Step 5: Solve for x
    x = 1,857,697,977,407,050.75/47,139,698.46
  6. Step 6: Final answer
    x = 39,408,355.13

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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.