Home / 13,898,337.57-19,180,854.93-7,705,327.65

Finding the Fourth Proportional to 13,898,337.57, 19,180,854.93 and 7,705,327.65

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Solution

The fourth proportional to 13,898,337.57, 19,180,854.93 and 7,705,327.65 is: 10,633,989.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898,337.57 : 19,180,854.93 = 7,705,327.65 : x
  2. Step 2: Convert to fraction form
    13,898,337.57/19,180,854.93 = 7,705,327.65/x
  3. Step 3: Cross multiply
    13,898,337.57x = 19,180,854.93 × 7,705,327.65
  4. Step 4: Simplify right side
    13,898,337.57x = 147,794,771,842,767.81
  5. Step 5: Solve for x
    x = 147,794,771,842,767.81/13,898,337.57
  6. Step 6: Final answer
    x = 10,633,989.22

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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.