Home / 30,402,724.60-45,611,862.90-21,444,772.60

Finding the Fourth Proportional to 30,402,724.60, 45,611,862.90 and 21,444,772.60

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Solution

The fourth proportional to 30,402,724.60, 45,611,862.90 and 21,444,772.60 is: 32,172,643.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,402,724.60 : 45,611,862.90 = 21,444,772.60 : x
  2. Step 2: Convert to fraction form
    30,402,724.60/45,611,862.90 = 21,444,772.60/x
  3. Step 3: Cross multiply
    30,402,724.60x = 45,611,862.90 × 21,444,772.60
  4. Step 4: Simplify right side
    30,402,724.60x = 978,136,027,752,876.62
  5. Step 5: Solve for x
    x = 978,136,027,752,876.62/30,402,724.60
  6. Step 6: Final answer
    x = 32,172,643.76

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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.