Home / 21,050,373.76-31,588,157.66-9,083,109.76

Finding the Fourth Proportional to 21,050,373.76, 31,588,157.66 and 9,083,109.76

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Solution

The fourth proportional to 21,050,373.76, 31,588,157.66 and 9,083,109.76 is: 13,630,100.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,050,373.76 : 31,588,157.66 = 9,083,109.76 : x
  2. Step 2: Convert to fraction form
    21,050,373.76/31,588,157.66 = 9,083,109.76/x
  3. Step 3: Cross multiply
    21,050,373.76x = 31,588,157.66 × 9,083,109.76
  4. Step 4: Simplify right side
    21,050,373.76x = 286,918,703,017,578.81
  5. Step 5: Solve for x
    x = 286,918,703,017,578.81/21,050,373.76
  6. Step 6: Final answer
    x = 13,630,100.17

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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.