Home / 28,371,877.09-42,563,793.48-9,201,139.36

Finding the Fourth Proportional to 28,371,877.09, 42,563,793.48 and 9,201,139.36

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Solution

The fourth proportional to 28,371,877.09, 42,563,793.48 and 9,201,139.36 is: 13,803,647.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,371,877.09 : 42,563,793.48 = 9,201,139.36 : x
  2. Step 2: Convert to fraction form
    28,371,877.09/42,563,793.48 = 9,201,139.36/x
  3. Step 3: Cross multiply
    28,371,877.09x = 42,563,793.48 × 9,201,139.36
  4. Step 4: Simplify right side
    28,371,877.09x = 391,635,395,499,739.31
  5. Step 5: Solve for x
    x = 391,635,395,499,739.31/28,371,877.09
  6. Step 6: Final answer
    x = 13,803,647.68

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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.