Home / 12,937,038.48-17,852,800.31-7,135,695.66

Finding the Fourth Proportional to 12,937,038.48, 17,852,800.31 and 7,135,695.66

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Solution

The fourth proportional to 12,937,038.48, 17,852,800.31 and 7,135,695.66 is: 9,847,087.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937,038.48 : 17,852,800.31 = 7,135,695.66 : x
  2. Step 2: Convert to fraction form
    12,937,038.48/17,852,800.31 = 7,135,695.66/x
  3. Step 3: Cross multiply
    12,937,038.48x = 17,852,800.31 × 7,135,695.66
  4. Step 4: Simplify right side
    12,937,038.48x = 127,392,149,655,235.17
  5. Step 5: Solve for x
    x = 127,392,149,655,235.17/12,937,038.48
  6. Step 6: Final answer
    x = 9,847,087.48

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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.