Home / 28,941,404.02-39,939,605.50-15,889,866.10

Finding the Fourth Proportional to 28,941,404.02, 39,939,605.50 and 15,889,866.10

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Solution

The fourth proportional to 28,941,404.02, 39,939,605.50 and 15,889,866.10 is: 21,928,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,941,404.02 : 39,939,605.50 = 15,889,866.10 : x
  2. Step 2: Convert to fraction form
    28,941,404.02/39,939,605.50 = 15,889,866.10/x
  3. Step 3: Cross multiply
    28,941,404.02x = 39,939,605.50 × 15,889,866.10
  4. Step 4: Simplify right side
    28,941,404.02x = 634,634,983,481,823.50
  5. Step 5: Solve for x
    x = 634,634,983,481,823.50/28,941,404.02
  6. Step 6: Final answer
    x = 21,928,272.14

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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.