Home / 10,485,671.18-15,708,356.19-6,430,333.50

Finding the Fourth Proportional to 10,485,671.18, 15,708,356.19 and 6,430,333.50

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Solution

The fourth proportional to 10,485,671.18, 15,708,356.19 and 6,430,333.50 is: 9,633,142.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485,671.18 : 15,708,356.19 = 6,430,333.50 : x
  2. Step 2: Convert to fraction form
    10,485,671.18/15,708,356.19 = 6,430,333.50/x
  3. Step 3: Cross multiply
    10,485,671.18x = 15,708,356.19 × 6,430,333.50
  4. Step 4: Simplify right side
    10,485,671.18x = 101,009,969,038,489.36
  5. Step 5: Solve for x
    x = 101,009,969,038,489.36/10,485,671.18
  6. Step 6: Final answer
    x = 9,633,142.92

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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.