Home / 14,005,838.13-19,328,017.78-7,810,890.68

Finding the Fourth Proportional to 14,005,838.13, 19,328,017.78 and 7,810,890.68

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Solution

The fourth proportional to 14,005,838.13, 19,328,017.78 and 7,810,890.68 is: 10,779,007.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005,838.13 : 19,328,017.78 = 7,810,890.68 : x
  2. Step 2: Convert to fraction form
    14,005,838.13/19,328,017.78 = 7,810,890.68/x
  3. Step 3: Cross multiply
    14,005,838.13x = 19,328,017.78 × 7,810,890.68
  4. Step 4: Simplify right side
    14,005,838.13x = 150,969,033,901,621.81
  5. Step 5: Solve for x
    x = 150,969,033,901,621.81/14,005,838.13
  6. Step 6: Final answer
    x = 10,779,007.48

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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.