Home / 21,174,601.16-29,204,475.91-15,316,211.48

Finding the Fourth Proportional to 21,174,601.16, 29,204,475.91 and 15,316,211.48

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Solution

The fourth proportional to 21,174,601.16, 29,204,475.91 and 15,316,211.48 is: 21,124,455.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,174,601.16 : 29,204,475.91 = 15,316,211.48 : x
  2. Step 2: Convert to fraction form
    21,174,601.16/29,204,475.91 = 15,316,211.48/x
  3. Step 3: Cross multiply
    21,174,601.16x = 29,204,475.91 × 15,316,211.48
  4. Step 4: Simplify right side
    21,174,601.16x = 447,301,929,015,812.50
  5. Step 5: Solve for x
    x = 447,301,929,015,812.50/21,174,601.16
  6. Step 6: Final answer
    x = 21,124,455.93

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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.