Home / 18,832,671.72-28,249,270.02-5,369,499.72

Finding the Fourth Proportional to 18,832,671.72, 28,249,270.02 and 5,369,499.72

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Solution

The fourth proportional to 18,832,671.72, 28,249,270.02 and 5,369,499.72 is: 8,054,324.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,832,671.72 : 28,249,270.02 = 5,369,499.72 : x
  2. Step 2: Convert to fraction form
    18,832,671.72/28,249,270.02 = 5,369,499.72/x
  3. Step 3: Cross multiply
    18,832,671.72x = 28,249,270.02 × 5,369,499.72
  4. Step 4: Simplify right side
    18,832,671.72x = 151,684,447,462,594.38
  5. Step 5: Solve for x
    x = 151,684,447,462,594.38/18,832,671.72
  6. Step 6: Final answer
    x = 8,054,324.41

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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.