Home / 30,402,624.60-45,611,712.90-21,444,672.60

Finding the Fourth Proportional to 30,402,624.60, 45,611,712.90 and 21,444,672.60

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Solution

The fourth proportional to 30,402,624.60, 45,611,712.90 and 21,444,672.60 is: 32,172,493.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,402,624.60 : 45,611,712.90 = 21,444,672.60 : x
  2. Step 2: Convert to fraction form
    30,402,624.60/45,611,712.90 = 21,444,672.60/x
  3. Step 3: Cross multiply
    30,402,624.60x = 45,611,712.90 × 21,444,672.60
  4. Step 4: Simplify right side
    30,402,624.60x = 978,128,249,865,696.62
  5. Step 5: Solve for x
    x = 978,128,249,865,696.62/30,402,624.60
  6. Step 6: Final answer
    x = 32,172,493.75

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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.