Home / 38,847,659.52-53,611,038.96-21,207,502.68

Finding the Fourth Proportional to 38,847,659.52, 53,611,038.96 and 21,207,502.68

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Solution

The fourth proportional to 38,847,659.52, 53,611,038.96 and 21,207,502.68 is: 29,267,046.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,847,659.52 : 53,611,038.96 = 21,207,502.68 : x
  2. Step 2: Convert to fraction form
    38,847,659.52/53,611,038.96 = 21,207,502.68/x
  3. Step 3: Cross multiply
    38,847,659.52x = 53,611,038.96 × 21,207,502.68
  4. Step 4: Simplify right side
    38,847,659.52x = 1,136,956,252,421,784.50
  5. Step 5: Solve for x
    x = 1,136,956,252,421,784.50/38,847,659.52
  6. Step 6: Final answer
    x = 29,267,046.37

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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.