Home / 10,139,969.32-13,987,923.78-6,875,679.40

Finding the Fourth Proportional to 10,139,969.32, 13,987,923.78 and 6,875,679.40

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Solution

The fourth proportional to 10,139,969.32, 13,987,923.78 and 6,875,679.40 is: 9,484,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,139,969.32 : 13,987,923.78 = 6,875,679.40 : x
  2. Step 2: Convert to fraction form
    10,139,969.32/13,987,923.78 = 6,875,679.40/x
  3. Step 3: Cross multiply
    10,139,969.32x = 13,987,923.78 × 6,875,679.40
  4. Step 4: Simplify right side
    10,139,969.32x = 96,176,479,382,916.12
  5. Step 5: Solve for x
    x = 96,176,479,382,916.12/10,139,969.32
  6. Step 6: Final answer
    x = 9,484,888.60

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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.