Home / 30,107,280.30-45,160,920.45-9,909,897.90

Finding the Fourth Proportional to 30,107,280.30, 45,160,920.45 and 9,909,897.90

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Solution

The fourth proportional to 30,107,280.30, 45,160,920.45 and 9,909,897.90 is: 14,864,846.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,107,280.30 : 45,160,920.45 = 9,909,897.90 : x
  2. Step 2: Convert to fraction form
    30,107,280.30/45,160,920.45 = 9,909,897.90/x
  3. Step 3: Cross multiply
    30,107,280.30x = 45,160,920.45 × 9,909,897.90
  4. Step 4: Simplify right side
    30,107,280.30x = 447,540,110,729,522.12
  5. Step 5: Solve for x
    x = 447,540,110,729,522.12/30,107,280.30
  6. Step 6: Final answer
    x = 14,864,846.85

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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.