Home / 30,276,023.13-41,835,564.69-21,559,062.12

Finding the Fourth Proportional to 30,276,023.13, 41,835,564.69 and 21,559,062.12

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Solution

The fourth proportional to 30,276,023.13, 41,835,564.69 and 21,559,062.12 is: 29,790,423.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276,023.13 : 41,835,564.69 = 21,559,062.12 : x
  2. Step 2: Convert to fraction form
    30,276,023.13/41,835,564.69 = 21,559,062.12/x
  3. Step 3: Cross multiply
    30,276,023.13x = 41,835,564.69 × 21,559,062.12
  4. Step 4: Simplify right side
    30,276,023.13x = 901,935,537,976,988.50
  5. Step 5: Solve for x
    x = 901,935,537,976,988.50/30,276,023.13
  6. Step 6: Final answer
    x = 29,790,423.07

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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.