Home / 12,961,194.01-17,886,597.29-7,159,854.13

Finding the Fourth Proportional to 12,961,194.01, 17,886,597.29 and 7,159,854.13

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Solution

The fourth proportional to 12,961,194.01, 17,886,597.29 and 7,159,854.13 is: 9,880,681.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961,194.01 : 17,886,597.29 = 7,159,854.13 : x
  2. Step 2: Convert to fraction form
    12,961,194.01/17,886,597.29 = 7,159,854.13/x
  3. Step 3: Cross multiply
    12,961,194.01x = 17,886,597.29 × 7,159,854.13
  4. Step 4: Simplify right side
    12,961,194.01x = 128,065,427,424,787
  5. Step 5: Solve for x
    x = 128,065,427,424,787/12,961,194.01
  6. Step 6: Final answer
    x = 9,880,681.31

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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.