Home / 28,996,262.88-40,013,818.50-15,943,430.40

Finding the Fourth Proportional to 28,996,262.88, 40,013,818.50 and 15,943,430.40

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Solution

The fourth proportional to 28,996,262.88, 40,013,818.50 and 15,943,430.40 is: 22,001,370.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996,262.88 : 40,013,818.50 = 15,943,430.40 : x
  2. Step 2: Convert to fraction form
    28,996,262.88/40,013,818.50 = 15,943,430.40/x
  3. Step 3: Cross multiply
    28,996,262.88x = 40,013,818.50 × 15,943,430.40
  4. Step 4: Simplify right side
    28,996,262.88x = 637,957,530,292,982.38
  5. Step 5: Solve for x
    x = 637,957,530,292,982.38/28,996,262.88
  6. Step 6: Final answer
    x = 22,001,370.76

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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.