Home / 14,106,869.85-19,467,693.72-7,913,289.51

Finding the Fourth Proportional to 14,106,869.85, 19,467,693.72 and 7,913,289.51

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Solution

The fourth proportional to 14,106,869.85, 19,467,693.72 and 7,913,289.51 is: 10,920,459.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106,869.85 : 19,467,693.72 = 7,913,289.51 : x
  2. Step 2: Convert to fraction form
    14,106,869.85/19,467,693.72 = 7,913,289.51/x
  3. Step 3: Cross multiply
    14,106,869.85x = 19,467,693.72 × 7,913,289.51
  4. Step 4: Simplify right side
    14,106,869.85x = 154,053,496,498,368.88
  5. Step 5: Solve for x
    x = 154,053,496,498,368.88/14,106,869.85
  6. Step 6: Final answer
    x = 10,920,459.19

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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.