Home / 19,431,404.16-29,147,044.80-5,247,980.16

Finding the Fourth Proportional to 19,431,404.16, 29,147,044.80 and 5,247,980.16

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Solution

The fourth proportional to 19,431,404.16, 29,147,044.80 and 5,247,980.16 is: 7,871,953.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431,404.16 : 29,147,044.80 = 5,247,980.16 : x
  2. Step 2: Convert to fraction form
    19,431,404.16/29,147,044.80 = 5,247,980.16/x
  3. Step 3: Cross multiply
    19,431,404.16x = 29,147,044.80 × 5,247,980.16
  4. Step 4: Simplify right side
    19,431,404.16x = 152,963,112,833,031.19
  5. Step 5: Solve for x
    x = 152,963,112,833,031.19/19,431,404.16
  6. Step 6: Final answer
    x = 7,871,953.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.