Home / 14,339,698.18-19,788,534.30-7,813,381.26

Finding the Fourth Proportional to 14,339,698.18, 19,788,534.30 and 7,813,381.26

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Solution

The fourth proportional to 14,339,698.18, 19,788,534.30 and 7,813,381.26 is: 10,782,330.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339,698.18 : 19,788,534.30 = 7,813,381.26 : x
  2. Step 2: Convert to fraction form
    14,339,698.18/19,788,534.30 = 7,813,381.26/x
  3. Step 3: Cross multiply
    14,339,698.18x = 19,788,534.30 × 7,813,381.26
  4. Step 4: Simplify right side
    14,339,698.18x = 154,615,363,062,487.22
  5. Step 5: Solve for x
    x = 154,615,363,062,487.22/14,339,698.18
  6. Step 6: Final answer
    x = 10,782,330.36

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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.