Home / 30,294,821.20-45,442,231.80-17,508,744.40

Finding the Fourth Proportional to 30,294,821.20, 45,442,231.80 and 17,508,744.40

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Solution

The fourth proportional to 30,294,821.20, 45,442,231.80 and 17,508,744.40 is: 26,263,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,294,821.20 : 45,442,231.80 = 17,508,744.40 : x
  2. Step 2: Convert to fraction form
    30,294,821.20/45,442,231.80 = 17,508,744.40/x
  3. Step 3: Cross multiply
    30,294,821.20x = 45,442,231.80 × 17,508,744.40
  4. Step 4: Simplify right side
    30,294,821.20x = 795,636,421,551,751.75
  5. Step 5: Solve for x
    x = 795,636,421,551,751.75/30,294,821.20
  6. Step 6: Final answer
    x = 26,263,116.60

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1.5x scale

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.