Home / 12,870,095.18-17,761,826.67-7,289,334.39

Finding the Fourth Proportional to 12,870,095.18, 17,761,826.67 and 7,289,334.39

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Solution

The fourth proportional to 12,870,095.18, 17,761,826.67 and 7,289,334.39 is: 10,059,901.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,870,095.18 : 17,761,826.67 = 7,289,334.39 : x
  2. Step 2: Convert to fraction form
    12,870,095.18/17,761,826.67 = 7,289,334.39/x
  3. Step 3: Cross multiply
    12,870,095.18x = 17,761,826.67 × 7,289,334.39
  4. Step 4: Simplify right side
    12,870,095.18x = 129,471,893,938,403.50
  5. Step 5: Solve for x
    x = 129,471,893,938,403.50/12,870,095.18
  6. Step 6: Final answer
    x = 10,059,901.82

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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.