Home / 7,689,418.12-10,610,973.12-4,251,432.40

Finding the Fourth Proportional to 7,689,418.12, 10,610,973.12 and 4,251,432.40

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Solution

The fourth proportional to 7,689,418.12, 10,610,973.12 and 4,251,432.40 is: 5,866,742.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689,418.12 : 10,610,973.12 = 4,251,432.40 : x
  2. Step 2: Convert to fraction form
    7,689,418.12/10,610,973.12 = 4,251,432.40/x
  3. Step 3: Cross multiply
    7,689,418.12x = 10,610,973.12 × 4,251,432.40
  4. Step 4: Simplify right side
    7,689,418.12x = 45,111,834,917,897.09
  5. Step 5: Solve for x
    x = 45,111,834,917,897.09/7,689,418.12
  6. Step 6: Final answer
    x = 5,866,742.35

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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.