Home / 13,376,089.65-18,460,142.16-7,575,903.21

Finding the Fourth Proportional to 13,376,089.65, 18,460,142.16 and 7,575,903.21

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Solution

The fourth proportional to 13,376,089.65, 18,460,142.16 and 7,575,903.21 is: 10,455,391.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376,089.65 : 18,460,142.16 = 7,575,903.21 : x
  2. Step 2: Convert to fraction form
    13,376,089.65/18,460,142.16 = 7,575,903.21/x
  3. Step 3: Cross multiply
    13,376,089.65x = 18,460,142.16 × 7,575,903.21
  4. Step 4: Simplify right side
    13,376,089.65x = 139,852,250,247,000.33
  5. Step 5: Solve for x
    x = 139,852,250,247,000.33/13,376,089.65
  6. Step 6: Final answer
    x = 10,455,391.22

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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.