Home / 10,646,386.80-15,976,141.20-4,255,972.80

Finding the Fourth Proportional to 10,646,386.80, 15,976,141.20 and 4,255,972.80

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Solution

The fourth proportional to 10,646,386.80, 15,976,141.20 and 4,255,972.80 is: 6,386,582.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,646,386.80 : 15,976,141.20 = 4,255,972.80 : x
  2. Step 2: Convert to fraction form
    10,646,386.80/15,976,141.20 = 4,255,972.80/x
  3. Step 3: Cross multiply
    10,646,386.80x = 15,976,141.20 × 4,255,972.80
  4. Step 4: Simplify right side
    10,646,386.80x = 67,994,022,396,159.35
  5. Step 5: Solve for x
    x = 67,994,022,396,159.35/10,646,386.80
  6. Step 6: Final answer
    x = 6,386,582.01

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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.