Home / 28,006,114,042.42-38,648,553,820.86-15,145,754,001.16

Finding the Fourth Proportional to 28,006,114,042.42, 38,648,553,820.86 and 15,145,754,001.16

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Solution

The fourth proportional to 28,006,114,042.42, 38,648,553,820.86 and 15,145,754,001.16 is: 20,901,203,493.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006,114,042.42 : 38,648,553,820.86 = 15,145,754,001.16 : x
  2. Step 2: Convert to fraction form
    28,006,114,042.42/38,648,553,820.86 = 15,145,754,001.16/x
  3. Step 3: Cross multiply
    28,006,114,042.42x = 38,648,553,820.86 × 15,145,754,001.16
  4. Step 4: Simplify right side
    28,006,114,042.42x = 585,361,488,671,337,938,944
  5. Step 5: Solve for x
    x = 585,361,488,671,337,938,944/28,006,114,042.42
  6. Step 6: Final answer
    x = 20,901,203,493.81

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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.