Home / 10,419,663.90-15,628,077.02-2,742,665.86

Finding the Fourth Proportional to 10,419,663.90, 15,628,077.02 and 2,742,665.86

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Solution

The fourth proportional to 10,419,663.90, 15,628,077.02 and 2,742,665.86 is: 4,113,625.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,419,663.90 : 15,628,077.02 = 2,742,665.86 : x
  2. Step 2: Convert to fraction form
    10,419,663.90/15,628,077.02 = 2,742,665.86/x
  3. Step 3: Cross multiply
    10,419,663.90x = 15,628,077.02 × 2,742,665.86
  4. Step 4: Simplify right side
    10,419,663.90x = 42,862,593,287,264.50
  5. Step 5: Solve for x
    x = 42,862,593,287,264.50/10,419,663.90
  6. Step 6: Final answer
    x = 4,113,625.32

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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.