Home / 9,340,406.19-12,889,988.87-5,210,407.96

Finding the Fourth Proportional to 9,340,406.19, 12,889,988.87 and 5,210,407.96

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Solution

The fourth proportional to 9,340,406.19, 12,889,988.87 and 5,210,407.96 is: 7,190,490.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,340,406.19 : 12,889,988.87 = 5,210,407.96 : x
  2. Step 2: Convert to fraction form
    9,340,406.19/12,889,988.87 = 5,210,407.96/x
  3. Step 3: Cross multiply
    9,340,406.19x = 12,889,988.87 × 5,210,407.96
  4. Step 4: Simplify right side
    9,340,406.19x = 67,162,100,554,282.39
  5. Step 5: Solve for x
    x = 67,162,100,554,282.39/9,340,406.19
  6. Step 6: Final answer
    x = 7,190,490.35

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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.