Home / 30,632,934.60-45,886,416.30-21,059,123.40

Finding the Fourth Proportional to 30,632,934.60, 45,886,416.30 and 21,059,123.40

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Solution

The fourth proportional to 30,632,934.60, 45,886,416.30 and 21,059,123.40 is: 31,545,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,632,934.60 : 45,886,416.30 = 21,059,123.40 : x
  2. Step 2: Convert to fraction form
    30,632,934.60/45,886,416.30 = 21,059,123.40/x
  3. Step 3: Cross multiply
    30,632,934.60x = 45,886,416.30 × 21,059,123.40
  4. Step 4: Simplify right side
    30,632,934.60x = 966,327,703,245,471.25
  5. Step 5: Solve for x
    x = 966,327,703,245,471.25/30,632,934.60
  6. Step 6: Final answer
    x = 31,545,384.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.