Home / 15,349,999.04-21,192,558.57-9,771,393.20

Finding the Fourth Proportional to 15,349,999.04, 21,192,558.57 and 9,771,393.20

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Solution

The fourth proportional to 15,349,999.04, 21,192,558.57 and 9,771,393.20 is: 13,490,608.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,349,999.04 : 21,192,558.57 = 9,771,393.20 : x
  2. Step 2: Convert to fraction form
    15,349,999.04/21,192,558.57 = 9,771,393.20/x
  3. Step 3: Cross multiply
    15,349,999.04x = 21,192,558.57 × 9,771,393.20
  4. Step 4: Simplify right side
    15,349,999.04x = 207,080,822,595,536.94
  5. Step 5: Solve for x
    x = 207,080,822,595,536.94/15,349,999.04
  6. Step 6: Final answer
    x = 13,490,608.18

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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.