Home / 13,039,497.86-17,996,378.31-7,812,712.44

Finding the Fourth Proportional to 13,039,497.86, 17,996,378.31 and 7,812,712.44

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Solution

The fourth proportional to 13,039,497.86, 17,996,378.31 and 7,812,712.44 is: 10,782,664.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039,497.86 : 17,996,378.31 = 7,812,712.44 : x
  2. Step 2: Convert to fraction form
    13,039,497.86/17,996,378.31 = 7,812,712.44/x
  3. Step 3: Cross multiply
    13,039,497.86x = 17,996,378.31 × 7,812,712.44
  4. Step 4: Simplify right side
    13,039,497.86x = 140,600,528,697,483.17
  5. Step 5: Solve for x
    x = 140,600,528,697,483.17/13,039,497.86
  6. Step 6: Final answer
    x = 10,782,664.35

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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.