Home / 38,461,509.06-53,074,780.17-21,054,487.16

Finding the Fourth Proportional to 38,461,509.06, 53,074,780.17 and 21,054,487.16

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Solution

The fourth proportional to 38,461,509.06, 53,074,780.17 and 21,054,487.16 is: 29,054,041.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,461,509.06 : 53,074,780.17 = 21,054,487.16 : x
  2. Step 2: Convert to fraction form
    38,461,509.06/53,074,780.17 = 21,054,487.16/x
  3. Step 3: Cross multiply
    38,461,509.06x = 53,074,780.17 × 21,054,487.16
  4. Step 4: Simplify right side
    38,461,509.06x = 1,117,462,277,343,713.88
  5. Step 5: Solve for x
    x = 1,117,462,277,343,713.88/38,461,509.06
  6. Step 6: Final answer
    x = 29,054,041.42

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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.