Home / 12,678,652.17-17,477,126.19-7,774,780.95

Finding the Fourth Proportional to 12,678,652.17, 17,477,126.19 and 7,774,780.95

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Solution

The fourth proportional to 12,678,652.17, 17,477,126.19 and 7,774,780.95 is: 10,717,292.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,678,652.17 : 17,477,126.19 = 7,774,780.95 : x
  2. Step 2: Convert to fraction form
    12,678,652.17/17,477,126.19 = 7,774,780.95/x
  3. Step 3: Cross multiply
    12,678,652.17x = 17,477,126.19 × 7,774,780.95
  4. Step 4: Simplify right side
    12,678,652.17x = 135,880,827,762,758.09
  5. Step 5: Solve for x
    x = 135,880,827,762,758.09/12,678,652.17
  6. Step 6: Final answer
    x = 10,717,292.81

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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.