Home / 9,520,916.88-13,138,823.70-5,169,967.86

Finding the Fourth Proportional to 9,520,916.88, 13,138,823.70 and 5,169,967.86

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Solution

The fourth proportional to 9,520,916.88, 13,138,823.70 and 5,169,967.86 is: 7,134,533.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,520,916.88 : 13,138,823.70 = 5,169,967.86 : x
  2. Step 2: Convert to fraction form
    9,520,916.88/13,138,823.70 = 5,169,967.86/x
  3. Step 3: Cross multiply
    9,520,916.88x = 13,138,823.70 × 5,169,967.86
  4. Step 4: Simplify right side
    9,520,916.88x = 67,927,296,247,206.28
  5. Step 5: Solve for x
    x = 67,927,296,247,206.28/9,520,916.88
  6. Step 6: Final answer
    x = 7,134,533.06

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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.