Home / 9,341,898.60-12,892,138.20-5,421,351.18

Finding the Fourth Proportional to 9,341,898.60, 12,892,138.20 and 5,421,351.18

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Solution

The fourth proportional to 9,341,898.60, 12,892,138.20 and 5,421,351.18 is: 7,481,649.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,341,898.60 : 12,892,138.20 = 5,421,351.18 : x
  2. Step 2: Convert to fraction form
    9,341,898.60/12,892,138.20 = 5,421,351.18/x
  3. Step 3: Cross multiply
    9,341,898.60x = 12,892,138.20 × 5,421,351.18
  4. Step 4: Simplify right side
    9,341,898.60x = 69,892,808,643,293.07
  5. Step 5: Solve for x
    x = 69,892,808,643,293.07/9,341,898.60
  6. Step 6: Final answer
    x = 7,481,649.25

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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.