Home / 12,201,547.10-16,831,139.19-7,609,896.86

Finding the Fourth Proportional to 12,201,547.10, 16,831,139.19 and 7,609,896.86

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Solution

The fourth proportional to 12,201,547.10, 16,831,139.19 and 7,609,896.86 is: 10,497,294.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201,547.10 : 16,831,139.19 = 7,609,896.86 : x
  2. Step 2: Convert to fraction form
    12,201,547.10/16,831,139.19 = 7,609,896.86/x
  3. Step 3: Cross multiply
    12,201,547.10x = 16,831,139.19 × 7,609,896.86
  4. Step 4: Simplify right side
    12,201,547.10x = 128,083,233,272,203.95
  5. Step 5: Solve for x
    x = 128,083,233,272,203.95/12,201,547.10
  6. Step 6: Final answer
    x = 10,497,294.50

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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.