Home / 15,440,905.49-21,290,978.08-9,851,673.65

Finding the Fourth Proportional to 15,440,905.49, 21,290,978.08 and 9,851,673.65

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Solution

The fourth proportional to 15,440,905.49, 21,290,978.08 and 9,851,673.65 is: 13,584,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,440,905.49 : 21,290,978.08 = 9,851,673.65 : x
  2. Step 2: Convert to fraction form
    15,440,905.49/21,290,978.08 = 9,851,673.65/x
  3. Step 3: Cross multiply
    15,440,905.49x = 21,290,978.08 × 9,851,673.65
  4. Step 4: Simplify right side
    15,440,905.49x = 209,751,767,759,085.06
  5. Step 5: Solve for x
    x = 209,751,767,759,085.06/15,440,905.49
  6. Step 6: Final answer
    x = 13,584,162.40

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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.