Home / 7,984,387.72-11,006,982.90-5,688,562.60

Finding the Fourth Proportional to 7,984,387.72, 11,006,982.90 and 5,688,562.60

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Solution

The fourth proportional to 7,984,387.72, 11,006,982.90 and 5,688,562.60 is: 7,842,042.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984,387.72 : 11,006,982.90 = 5,688,562.60 : x
  2. Step 2: Convert to fraction form
    7,984,387.72/11,006,982.90 = 5,688,562.60/x
  3. Step 3: Cross multiply
    7,984,387.72x = 11,006,982.90 × 5,688,562.60
  4. Step 4: Simplify right side
    7,984,387.72x = 62,613,911,263,779.54
  5. Step 5: Solve for x
    x = 62,613,911,263,779.54/7,984,387.72
  6. Step 6: Final answer
    x = 7,842,042.93

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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.