Home / 10,851,731.20-16,249,603.20-8,612,243.20

Finding the Fourth Proportional to 10,851,731.20, 16,249,603.20 and 8,612,243.20

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Solution

The fourth proportional to 10,851,731.20, 16,249,603.20 and 8,612,243.20 is: 12,896,148.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851,731.20 : 16,249,603.20 = 8,612,243.20 : x
  2. Step 2: Convert to fraction form
    10,851,731.20/16,249,603.20 = 8,612,243.20/x
  3. Step 3: Cross multiply
    10,851,731.20x = 16,249,603.20 × 8,612,243.20
  4. Step 4: Simplify right side
    10,851,731.20x = 139,945,534,661,898.22
  5. Step 5: Solve for x
    x = 139,945,534,661,898.22/10,851,731.20
  6. Step 6: Final answer
    x = 12,896,148.28

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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.