Home / 7,139,659.90-10,693,743.45-4,294,810.30

Finding the Fourth Proportional to 7,139,659.90, 10,693,743.45 and 4,294,810.30

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Solution

The fourth proportional to 7,139,659.90, 10,693,743.45 and 4,294,810.30 is: 6,432,743.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,659.90 : 10,693,743.45 = 4,294,810.30 : x
  2. Step 2: Convert to fraction form
    7,139,659.90/10,693,743.45 = 4,294,810.30/x
  3. Step 3: Cross multiply
    7,139,659.90x = 10,693,743.45 × 4,294,810.30
  4. Step 4: Simplify right side
    7,139,659.90x = 45,927,599,514,617.53
  5. Step 5: Solve for x
    x = 45,927,599,514,617.53/7,139,659.90
  6. Step 6: Final answer
    x = 6,432,743.32

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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.