Home / 21,411,586.10-29,473,314.50-18,480,703.16

Finding the Fourth Proportional to 21,411,586.10, 29,473,314.50 and 18,480,703.16

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Solution

The fourth proportional to 21,411,586.10, 29,473,314.50 and 18,480,703.16 is: 25,438,917.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,411,586.10 : 29,473,314.50 = 18,480,703.16 : x
  2. Step 2: Convert to fraction form
    21,411,586.10/29,473,314.50 = 18,480,703.16/x
  3. Step 3: Cross multiply
    21,411,586.10x = 29,473,314.50 × 18,480,703.16
  4. Step 4: Simplify right side
    21,411,586.10x = 544,687,576,323,420.31
  5. Step 5: Solve for x
    x = 544,687,576,323,420.31/21,411,586.10
  6. Step 6: Final answer
    x = 25,438,917.69

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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.