Home / 38,461,485.66-53,074,747.88-21,054,463.76

Finding the Fourth Proportional to 38,461,485.66, 53,074,747.88 and 21,054,463.76

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Solution

The fourth proportional to 38,461,485.66, 53,074,747.88 and 21,054,463.76 is: 29,054,009.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,461,485.66 : 53,074,747.88 = 21,054,463.76 : x
  2. Step 2: Convert to fraction form
    38,461,485.66/53,074,747.88 = 21,054,463.76/x
  3. Step 3: Cross multiply
    38,461,485.66x = 53,074,747.88 × 21,054,463.76
  4. Step 4: Simplify right side
    38,461,485.66x = 1,117,460,355,810,597
  5. Step 5: Solve for x
    x = 1,117,460,355,810,597/38,461,485.66
  6. Step 6: Final answer
    x = 29,054,009.14

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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.