Home / 13,376,090.65-18,460,143.54-7,575,904.21

Finding the Fourth Proportional to 13,376,090.65, 18,460,143.54 and 7,575,904.21

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Solution

The fourth proportional to 13,376,090.65, 18,460,143.54 and 7,575,904.21 is: 10,455,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376,090.65 : 18,460,143.54 = 7,575,904.21 : x
  2. Step 2: Convert to fraction form
    13,376,090.65/18,460,143.54 = 7,575,904.21/x
  3. Step 3: Cross multiply
    13,376,090.65x = 18,460,143.54 × 7,575,904.21
  4. Step 4: Simplify right side
    13,376,090.65x = 139,852,279,161,890.30
  5. Step 5: Solve for x
    x = 139,852,279,161,890.30/13,376,090.65
  6. Step 6: Final answer
    x = 10,455,392.60

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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.