Home / 10,369,889.79-15,555,582.02-3,980,142.14

Finding the Fourth Proportional to 10,369,889.79, 15,555,582.02 and 3,980,142.14

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Solution

The fourth proportional to 10,369,889.79, 15,555,582.02 and 3,980,142.14 is: 5,970,500.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369,889.79 : 15,555,582.02 = 3,980,142.14 : x
  2. Step 2: Convert to fraction form
    10,369,889.79/15,555,582.02 = 3,980,142.14/x
  3. Step 3: Cross multiply
    10,369,889.79x = 15,555,582.02 × 3,980,142.14
  4. Step 4: Simplify right side
    10,369,889.79x = 61,913,427,510,028.32
  5. Step 5: Solve for x
    x = 61,913,427,510,028.32/10,369,889.79
  6. Step 6: Final answer
    x = 5,970,500.05

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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.