Home / 36,470,281.60-54,705,422.40-21,316,412.80

Finding the Fourth Proportional to 36,470,281.60, 54,705,422.40 and 21,316,412.80

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Solution

The fourth proportional to 36,470,281.60, 54,705,422.40 and 21,316,412.80 is: 31,974,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,470,281.60 : 54,705,422.40 = 21,316,412.80 : x
  2. Step 2: Convert to fraction form
    36,470,281.60/54,705,422.40 = 21,316,412.80/x
  3. Step 3: Cross multiply
    36,470,281.60x = 54,705,422.40 × 21,316,412.80
  4. Step 4: Simplify right side
    36,470,281.60x = 1,166,123,366,276,766.75
  5. Step 5: Solve for x
    x = 1,166,123,366,276,766.75/36,470,281.60
  6. Step 6: Final answer
    x = 31,974,619.20

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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.