Home / 10,129,440.63-13,974,811.70-6,646,699.83

Finding the Fourth Proportional to 10,129,440.63, 13,974,811.70 and 6,646,699.83

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Solution

The fourth proportional to 10,129,440.63, 13,974,811.70 and 6,646,699.83 is: 9,169,941.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,129,440.63 : 13,974,811.70 = 6,646,699.83 : x
  2. Step 2: Convert to fraction form
    10,129,440.63/13,974,811.70 = 6,646,699.83/x
  3. Step 3: Cross multiply
    10,129,440.63x = 13,974,811.70 × 6,646,699.83
  4. Step 4: Simplify right side
    10,129,440.63x = 92,886,378,517,438.52
  5. Step 5: Solve for x
    x = 92,886,378,517,438.52/10,129,440.63
  6. Step 6: Final answer
    x = 9,169,941.55

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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.