Home / 7,887,407.38-11,831,111.10-1,903,775.38

Finding the Fourth Proportional to 7,887,407.38, 11,831,111.10 and 1,903,775.38

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Solution

The fourth proportional to 7,887,407.38, 11,831,111.10 and 1,903,775.38 is: 2,855,663.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887,407.38 : 11,831,111.10 = 1,903,775.38 : x
  2. Step 2: Convert to fraction form
    7,887,407.38/11,831,111.10 = 1,903,775.38/x
  3. Step 3: Cross multiply
    7,887,407.38x = 11,831,111.10 × 1,903,775.38
  4. Step 4: Simplify right side
    7,887,407.38x = 22,523,778,030,224.71
  5. Step 5: Solve for x
    x = 22,523,778,030,224.71/7,887,407.38
  6. Step 6: Final answer
    x = 2,855,663.08

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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.