Home / 21,136,475.16-29,168,485.02-11,478,683.16

Finding the Fourth Proportional to 21,136,475.16, 29,168,485.02 and 11,478,683.16

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Solution

The fourth proportional to 21,136,475.16, 29,168,485.02 and 11,478,683.16 is: 15,840,663.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,136,475.16 : 29,168,485.02 = 11,478,683.16 : x
  2. Step 2: Convert to fraction form
    21,136,475.16/29,168,485.02 = 11,478,683.16/x
  3. Step 3: Cross multiply
    21,136,475.16x = 29,168,485.02 × 11,478,683.16
  4. Step 4: Simplify right side
    21,136,475.16x = 334,815,797,801,786.25
  5. Step 5: Solve for x
    x = 334,815,797,801,786.25/21,136,475.16
  6. Step 6: Final answer
    x = 15,840,663.84

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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.