Home / 15,115,605,674.48-20,859,544,805.01-8,432,602,239.23

Finding the Fourth Proportional to 15,115,605,674.48, 20,859,544,805.01 and 8,432,602,239.23

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Solution

The fourth proportional to 15,115,605,674.48, 20,859,544,805.01 and 8,432,602,239.23 is: 11,636,996,096.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,115,605,674.48 : 20,859,544,805.01 = 8,432,602,239.23 : x
  2. Step 2: Convert to fraction form
    15,115,605,674.48/20,859,544,805.01 = 8,432,602,239.23/x
  3. Step 3: Cross multiply
    15,115,605,674.48x = 20,859,544,805.01 × 8,432,602,239.23
  4. Step 4: Simplify right side
    15,115,605,674.48x = 175,900,244,232,110,145,536
  5. Step 5: Solve for x
    x = 175,900,244,232,110,145,536/15,115,605,674.48
  6. Step 6: Final answer
    x = 11,636,996,096.63

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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.