Home / 11,392,419.78-15,721,938.95-6,235,785.36

Finding the Fourth Proportional to 11,392,419.78, 15,721,938.95 and 6,235,785.36

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Solution

The fourth proportional to 11,392,419.78, 15,721,938.95 and 6,235,785.36 is: 8,605,602.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,392,419.78 : 15,721,938.95 = 6,235,785.36 : x
  2. Step 2: Convert to fraction form
    11,392,419.78/15,721,938.95 = 6,235,785.36/x
  3. Step 3: Cross multiply
    11,392,419.78x = 15,721,938.95 × 6,235,785.36
  4. Step 4: Simplify right side
    11,392,419.78x = 98,038,636,704,044.86
  5. Step 5: Solve for x
    x = 98,038,636,704,044.86/11,392,419.78
  6. Step 6: Final answer
    x = 8,605,602.55

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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.