Home / 34,993,875.20-52,490,812.80-21,388,985.60

Finding the Fourth Proportional to 34,993,875.20, 52,490,812.80 and 21,388,985.60

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Solution

The fourth proportional to 34,993,875.20, 52,490,812.80 and 21,388,985.60 is: 32,083,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,993,875.20 : 52,490,812.80 = 21,388,985.60 : x
  2. Step 2: Convert to fraction form
    34,993,875.20/52,490,812.80 = 21,388,985.60/x
  3. Step 3: Cross multiply
    34,993,875.20x = 52,490,812.80 × 21,388,985.60
  4. Step 4: Simplify right side
    34,993,875.20x = 1,122,725,239,111,495.75
  5. Step 5: Solve for x
    x = 1,122,725,239,111,495.75/34,993,875.20
  6. Step 6: Final answer
    x = 32,083,478.40

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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.