Home / 30,107,281.80-45,160,922.70-9,909,899.40

Finding the Fourth Proportional to 30,107,281.80, 45,160,922.70 and 9,909,899.40

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Solution

The fourth proportional to 30,107,281.80, 45,160,922.70 and 9,909,899.40 is: 14,864,849.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,107,281.80 : 45,160,922.70 = 9,909,899.40 : x
  2. Step 2: Convert to fraction form
    30,107,281.80/45,160,922.70 = 9,909,899.40/x
  3. Step 3: Cross multiply
    30,107,281.80x = 45,160,922.70 × 9,909,899.40
  4. Step 4: Simplify right side
    30,107,281.80x = 447,540,200,768,176.44
  5. Step 5: Solve for x
    x = 447,540,200,768,176.44/30,107,281.80
  6. Step 6: Final answer
    x = 14,864,849.10

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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.