Home / 12,975,108.34-17,905,427.31-9,260,778.70

Finding the Fourth Proportional to 12,975,108.34, 17,905,427.31 and 9,260,778.70

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Solution

The fourth proportional to 12,975,108.34, 17,905,427.31 and 9,260,778.70 is: 12,779,716.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,975,108.34 : 17,905,427.31 = 9,260,778.70 : x
  2. Step 2: Convert to fraction form
    12,975,108.34/17,905,427.31 = 9,260,778.70/x
  3. Step 3: Cross multiply
    12,975,108.34x = 17,905,427.31 × 9,260,778.70
  4. Step 4: Simplify right side
    12,975,108.34x = 165,818,199,846,846.28
  5. Step 5: Solve for x
    x = 165,818,199,846,846.28/12,975,108.34
  6. Step 6: Final answer
    x = 12,779,716.01

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1.5x scale

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.