Home / 43,688,890.80-65,556,955.80-18,132,483.60

Finding the Fourth Proportional to 43,688,890.80, 65,556,955.80 and 18,132,483.60

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Solution

The fourth proportional to 43,688,890.80, 65,556,955.80 and 18,132,483.60 is: 27,208,528.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,688,890.80 : 65,556,955.80 = 18,132,483.60 : x
  2. Step 2: Convert to fraction form
    43,688,890.80/65,556,955.80 = 18,132,483.60/x
  3. Step 3: Cross multiply
    43,688,890.80x = 65,556,955.80 × 18,132,483.60
  4. Step 4: Simplify right side
    43,688,890.80x = 1,188,710,425,909,425
  5. Step 5: Solve for x
    x = 1,188,710,425,909,425/43,688,890.80
  6. Step 6: Final answer
    x = 27,208,528.40

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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.