Home / 7,347,511.15-10,139,687.02-4,039,945.40

Finding the Fourth Proportional to 7,347,511.15, 10,139,687.02 and 4,039,945.40

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Solution

The fourth proportional to 7,347,511.15, 10,139,687.02 and 4,039,945.40 is: 5,575,191.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347,511.15 : 10,139,687.02 = 4,039,945.40 : x
  2. Step 2: Convert to fraction form
    7,347,511.15/10,139,687.02 = 4,039,945.40/x
  3. Step 3: Cross multiply
    7,347,511.15x = 10,139,687.02 × 4,039,945.40
  4. Step 4: Simplify right side
    7,347,511.15x = 40,963,781,964,287.86
  5. Step 5: Solve for x
    x = 40,963,781,964,287.86/7,347,511.15
  6. Step 6: Final answer
    x = 5,575,191.54

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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.