Home / 13,061,045.48-18,023,783.06-7,180,636.86

Finding the Fourth Proportional to 13,061,045.48, 18,023,783.06 and 7,180,636.86

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Solution

The fourth proportional to 13,061,045.48, 18,023,783.06 and 7,180,636.86 is: 9,909,026.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,061,045.48 : 18,023,783.06 = 7,180,636.86 : x
  2. Step 2: Convert to fraction form
    13,061,045.48/18,023,783.06 = 7,180,636.86/x
  3. Step 3: Cross multiply
    13,061,045.48x = 18,023,783.06 × 7,180,636.86
  4. Step 4: Simplify right side
    13,061,045.48x = 129,422,240,997,279.59
  5. Step 5: Solve for x
    x = 129,422,240,997,279.59/13,061,045.48
  6. Step 6: Final answer
    x = 9,909,026.13

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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.