Home / 12,405,268.95-17,117,960.90-6,897,755.36

Finding the Fourth Proportional to 12,405,268.95, 17,117,960.90 and 6,897,755.36

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Solution

The fourth proportional to 12,405,268.95, 17,117,960.90 and 6,897,755.36 is: 9,518,173.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,405,268.95 : 17,117,960.90 = 6,897,755.36 : x
  2. Step 2: Convert to fraction form
    12,405,268.95/17,117,960.90 = 6,897,755.36/x
  3. Step 3: Cross multiply
    12,405,268.95x = 17,117,960.90 × 6,897,755.36
  4. Step 4: Simplify right side
    12,405,268.95x = 118,075,506,430,166.84
  5. Step 5: Solve for x
    x = 118,075,506,430,166.84/12,405,268.95
  6. Step 6: Final answer
    x = 9,518,173.84

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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.