Home / 28,996,249.50-40,013,800.07-15,943,417.02

Finding the Fourth Proportional to 28,996,249.50, 40,013,800.07 and 15,943,417.02

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Solution

The fourth proportional to 28,996,249.50, 40,013,800.07 and 15,943,417.02 is: 22,001,352.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996,249.50 : 40,013,800.07 = 15,943,417.02 : x
  2. Step 2: Convert to fraction form
    28,996,249.50/40,013,800.07 = 15,943,417.02/x
  3. Step 3: Cross multiply
    28,996,249.50x = 40,013,800.07 × 15,943,417.02
  4. Step 4: Simplify right side
    28,996,249.50x = 637,956,700,991,198
  5. Step 5: Solve for x
    x = 637,956,700,991,198/28,996,249.50
  6. Step 6: Final answer
    x = 22,001,352.31

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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.