Home / 15,304,649.07-21,121,907.53-11,430,444.18

Finding the Fourth Proportional to 15,304,649.07, 21,121,907.53 and 11,430,444.18

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Solution

The fourth proportional to 15,304,649.07, 21,121,907.53 and 11,430,444.18 is: 15,775,127.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,304,649.07 : 21,121,907.53 = 11,430,444.18 : x
  2. Step 2: Convert to fraction form
    15,304,649.07/21,121,907.53 = 11,430,444.18/x
  3. Step 3: Cross multiply
    15,304,649.07x = 21,121,907.53 × 11,430,444.18
  4. Step 4: Simplify right side
    15,304,649.07x = 241,432,784,996,786.69
  5. Step 5: Solve for x
    x = 241,432,784,996,786.69/15,304,649.07
  6. Step 6: Final answer
    x = 15,775,127.15

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Double scale
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1.5x scale

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.