Home / 8,780,669.19-13,153,961.61-6,470,967.60

Finding the Fourth Proportional to 8,780,669.19, 13,153,961.61 and 6,470,967.60

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Solution

The fourth proportional to 8,780,669.19, 13,153,961.61 and 6,470,967.60 is: 9,693,892.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780,669.19 : 13,153,961.61 = 6,470,967.60 : x
  2. Step 2: Convert to fraction form
    8,780,669.19/13,153,961.61 = 6,470,967.60/x
  3. Step 3: Cross multiply
    8,780,669.19x = 13,153,961.61 × 6,470,967.60
  4. Step 4: Simplify right side
    8,780,669.19x = 85,118,859,389,953.83
  5. Step 5: Solve for x
    x = 85,118,859,389,953.83/8,780,669.19
  6. Step 6: Final answer
    x = 9,693,892.07

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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.