Home / 38,739,470.50-53,462,887.13-21,335,811.10

Finding the Fourth Proportional to 38,739,470.50, 53,462,887.13 and 21,335,811.10

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Solution

The fourth proportional to 38,739,470.50, 53,462,887.13 and 21,335,811.10 is: 29,444,750.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,739,470.50 : 53,462,887.13 = 21,335,811.10 : x
  2. Step 2: Convert to fraction form
    38,739,470.50/53,462,887.13 = 21,335,811.10/x
  3. Step 3: Cross multiply
    38,739,470.50x = 53,462,887.13 × 21,335,811.10
  4. Step 4: Simplify right side
    38,739,470.50x = 1,140,674,060,666,301.25
  5. Step 5: Solve for x
    x = 1,140,674,060,666,301.25/38,739,470.50
  6. Step 6: Final answer
    x = 29,444,750.95

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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.