Home / 21,118,537.13-29,143,931.15-11,460,745.13

Finding the Fourth Proportional to 21,118,537.13, 29,143,931.15 and 11,460,745.13

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Solution

The fourth proportional to 21,118,537.13, 29,143,931.15 and 11,460,745.13 is: 15,816,018.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,118,537.13 : 29,143,931.15 = 11,460,745.13 : x
  2. Step 2: Convert to fraction form
    21,118,537.13/29,143,931.15 = 11,460,745.13/x
  3. Step 3: Cross multiply
    21,118,537.13x = 29,143,931.15 × 11,460,745.13
  4. Step 4: Simplify right side
    21,118,537.13x = 334,011,166,879,350
  5. Step 5: Solve for x
    x = 334,011,166,879,350/21,118,537.13
  6. Step 6: Final answer
    x = 15,816,018.17

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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.